Phalloidin is a peptide that can be conjugated to fluorescent dyes, such as fluorescein, and used to label actin in cells. Phalloidin-fluorescein was added to dividing, ciliated cells in culture. Where will the fluorescence be localized in the cells when looking at the treated cultures using fluorescence microscopy?
a. at the inner surface of the inner nuclear membrane
b. at the inner surface of the plasma membrane
c. microtubule-organizing centers (MTOC) cilia
d. more than one of the above.

Answers

Answer 1

Answer:

b. at the inner surface of the plasma membrane

Explanation:

Phalloidin is a type of toxic substance that is found in dead cap mushrooms. It has a bicyclic structure of heptapeptide. It has a great ability to bind with the filamentous actin selectively and tightly. So it is used in the fluorescent microscopic study to detect or identify the structure or position of the F- actin. Due to phalloidin small structure, generally it is used in the labeling of cellular protein during the fluorescent microscopy to increases high resolutions. Since most of the actin is connected with the inner surface of the plasma membrane so the cells that are treated with phalloidin, has fluorescence at the inner surface of the plasma membrane.


Related Questions

A koala must eat 200 grams of leaves each day to survive. The trees in a area can provide 1380 g of leaves per day what is the maximum number of koalas that can survive in the area

Answers

Answer:

6 koalas

Explanation:

The maximum number of koalas that can survive in the area is 6.

Each koala must eat 200 grams of leaves per day.

The trees in an area can provide a total of 1380 g of leaves per day.

The maximum number of koalas that can survive in this area would be the total amount of leaves production per day divided by the amount of leaves required by each koala per day.

Hence:

Number of koala the area can support = 1380/200 = 6.9

Remember that each koala must eat 200 grams per day, therefore, the maximum number of koala that can survive in the area approximately 6.

Answer:

6

Explanation:

Which Kingdom is represented by the following description: All are multicellular organisms, reproduce sexually or asexually, cannot move, and are autotrophs

Plant
Animal
Fungi
Protist

Answers

Answer:

Plants

Explanation:

They are multicellular organisms. In plants there are two types of reproduction :- sexual and asexual. Sexual reproduction happens when androecium and gynoecium both fuses and in asexual reproduction when only androecium or gynoecium is present in a plant. Androecium us a male part off flower and gynoecium is the female part of flower. Plants can't move that we all know and they are autotrophs coz they can make their own food in presence of sunlight, water, air and chlorophyll.....

I hope u will understand it :-) :-)

When dna from two sources is combined into one single piece of dna

Answers

Answer:

Recombinant DNA and genetic techniques. Recombinant DNA (or rDNA) is made by combining DNA from two or more sources. In practice, the process often involves combining the DNA of different organisms.

Explanation:

Answer:

It is known as recombinant DNA

Explanation:

Recombinant DNA involves the combination of DNA from two or more sources, often of different organisms

In various pennate muscle patterns (unipennate, bipennate, multipennate). A) muscles appear to be straplike B) there is a narrow origin diverging to a broad insertion C) there is a broad origin and fascicles converge toward a single tendon D) muscles look like components of a feather

Answers

Final answer:

Pennate muscle patterns, including unipennate, bipennate, and multipennate, characterize the structure where muscles have a broad origin and fascicles converge toward a single tendon, giving them an appearance resembling components of a feather.

Explanation:

In pennate muscle patterns, like unipennate, bipennate, and multipennate, the muscles have a feather-like structure. This is due to their broad origin where fascicles converge toward a single tendon, giving an appearance similar to components of a feather. This contrasts with straplike muscles and muscles with a narrow origin diverging to a broad insertion. For example, in a unipennate pattern, one side of the muscle attaches to the tendon, while in a multipennate pattern, many tendons are present with muscles in between, resembling a feather.

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Name four parts of the respiratory system in order that air comes into the body, and describe the role it plays in respiration.

Answers

Answer:The pharynx, larynx, trachea and bronchi are four parts of the respitaory system that air comes into the body. the role that they play in respiration is that they bring oxygen into our blood stream and then help push out carbon dioxide into the atmosphere

ezra fits aka Mr.fitz ( Pretty Little Liars)

The four parts of the respiratory system through which air enters the body are the nose, pharynx, larynx, and trachea.

Parts of the respiratory system?

Nose: Air enters the body through the nostrils, where it is filtered, humidified, and warmed. Tiny hair-like structures called cilia trap particles, preventing them from entering the lungs.

Pharynx: The air then moves to the pharynx, a passage connecting the nasal cavity and the mouth. It serves as a common pathway for both air and food, directing air into the trachea and food into the esophagus.

Larynx: The larynx, also known as the voice box, contains the vocal cords. It prevents food and liquids from entering the trachea during swallowing and produces sound when air passes over the vocal cords.

Trachea: Air travels down the trachea, a tube reinforced with C-shaped cartilage rings that prevent collapse. The trachea branches into bronchi, leading to the lungs.

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1.
Choose the best answer.

The Golgi apparatus is the _____ of the city.

post office

power plant

city hall

manufacturing plant



2.
Choose the best answer.

How does a negative feedback loop respond to a variable?

speeds up the process

changes the stimulus

stops the stimulus

makes no change



3.
Choose the best answer.

Which organelle is RNA contained in?

endoplasmic reticulum

ribosomes

nucleus

cell membrane



4.
Choose the best answer.

The heart is made of which type of tissue?

cardiac

muscular

skeletal

smooth



5.
Choose the best answer.

Homeostasis keeps the body _____.

balanced or stable

unbalanced

in a positive feedback loop

in a negative feedback loop



6.
Choose the best answer.

Which of the following processes is a positive feedback mechanism of the endocrine system?

glucose control

reflex

temperature control

clotting



7.
Choose the best answer.

What is the function of muscular tissue?

movement

secretion

protection

absorption



8.
Choose the best answer.

What is it called when areolar tissue collects water?

tissue collection

osmosis

inflammation

edema



9.
Choose the best answer.

The nucleus is the _____ of the city.

transportation

post office

manufacturing plant

city hall



10.
Choose the best answer.

The city limits represents which part of the cell?

cell membrane

lysosomes

cytoplasm

nucleus



11.
Choose the best answer.

Which level of organization is blood?

cell

organ

organ system

tissue



12.
Choose the best answer.

What happens during prophase?

the nucleus disappears

chromosomes move to the edges

cell life cycle

cells reproduce



13.
Choose the best answer.

What is the function of the mitochondria?

packaging proteins

energy

control mechanisms

reproduction



14.
Choose the best answer.

Contractions during labor are _____ feedback mechanism.

positive

mitotic

negative

meiotic



15.
Choose the best answer.

Simple epithelial tissue has _____ layer(s).

two

one

three

four



16.
Choose the best answer.

Which is NOT a classification of muscle tissue?

dense

cardiac

skeletal

smooth



17.
Choose the best answer.

How does a positive feedback loop respond to a variable?

changes the stimulus

makes no change

increases the stimulus

stops the stimulus



18.
Choose the best answer.

Lysosomes are responsible for _____.

waste removal

control mechanisms

reproduction

packaging proteins



19.
Choose the best answer.

An overgrowth of cells is called _____.

cytokinesis

meiosis

cancer

disease



20.
Choose the best answer.

What is the receptor’s role in the homeostatic control mechanisms?

determines the best response

sets the control point

sends the message to the variable

recognizes the variable


Answers

Answer: manufacturing plant

Explanation:

Answer:

1.post office

2.changes the stimulus

3.nucleus

4.muscular

5.balance or stable

6.reflex

7.movement

8.tissue collection

9.city hall

Embryonic induction, the influence of one group of cells on another group of cells, plays a critical role in embryonic development. In 1924, Hans Spemann and Hilde Mangold transplanted a piece of tissue that influences the formation of the notochord and neural tube, from the dorsal lip of an amphibian embryo to the ventral side of another amphibian embryo. If embryonic induction occurred, which of the following observations justifies the claim of embryonic induction?

A) The transplanted tissue induced multiple limbs to develop on the ventral side of the recipient embryo.

B) The transplanted tissue inhibited normal cell division on the dorsal side of the recipient embryo that lead to its death.

C) The transplanted tissue had no effect on either the ventral or dorsal side of the recipient embryo so it continued to develop normally.

D) The transplanted tissue induced the formation of a second notochord and neural tube on the ventral side of the developing embryo.

Answers

Answer: Option D

Explanation:

The embryonic induction can be defined as the critical part in formation of the other tissues and organs because one cells affects the development of the other cells.

In vertebrates the notochord arises from the dorsal organiser, in amphibian the organizer is a region of vertebrate gastrulae which is when transplanted  into the ventral region of the host embryo stimulates the formation of second embryonic axis and neural tube in embryo.

This generation of second notochord in the an example of influence of one group of cell on other.

The observation that justifies the claim of embryonic induction in Hans Spemann and Hilde Mangold's experiment is (D) The transplanted tissue induced the formation of a second notochord and neural tube on the ventral side of the developing embryo.

The experiment by Hans Spemann and Hilde Mangold involved transplanting tissue from the dorsal lip of the blastopore, known as the Spemann Organizer, to the ventral side of another amphibian embryo. The observation that justifies the claim of embryonic induction would be a result showing a change in the developmental fate of the recipient embryo's cells.

Among the given options, the correct observation that would justify embryonic induction is:

(D) The transplanted tissue induced the formation of a second notochord and neural tube on the ventral side of the developing embryo.

This result aligns with the findings of Spemann and Mangold, where the organizers from the dorsal side, when transplanted, have the signaling capability to instruct the ventral cells to form structures characteristic of the dorsal side, such as the notochord and neural tube, thereby creating a second embryonic axis.

The term diploe refers to the: a. double-layered nature of the connective tissue covering the bone b. fact that most bones are formed of two types of bone tissue c. internal layer of spongy bone in flat bones d. two types of marrow found within most bones

Answers

Answer:The term diploe refers to the internal layer of spongy bone in flat bones.

Explanation:

55. In cocker spaniels, black coat color (B) is dominant over red (b), and solid color (S) is dominant over spotted (s). If Bb Ss were crossed with Bb ss, the chance that a black solid individual would be produced is a. 3/16. b. 1/3. c. 9/16. d. 3/8. e. 1/16.

Answers

Answer:

d. 3/8

Explanation:

Black coat color (B) is dominant over red coat color (b) and solid color (S) is dominant over spotted color (b).

BbSs was crossed with Bbss

BbSs   x   Bbss

Offspring:

2 BBSs black, solid

2 BBss black, spotted

4 BbSs black solid

4 Bbss black, spotted

2 bbSs red, solid

2 bbss red spotted

Total black solid = 6

Hence, the chance that black solid individual would be produced = 6/16 = 3/8.

The correct option is d.

See the attached for the Punnet's square analysis.

In a chemical reaction, (blank)
are the substances present after the reaction.

Answers

Answer:

products

Explanation: Substances present BEFORE a reaction occurs are described as reactants. Substances present AFTER a reaction has occurred are described as products

Answer:

Products

Explanation:

In a chemical reaction,

Products

are the substances present after the reaction.

Label the following statements as either True or False. Some enzymes remove single amino acids from proteins by beginning at the amine or N-terminus. False Enzymes can selectively cleave specific peptide linkages between specific amino acids within a protein, thereby creating larger peptide fragments. True Enzymes hydrolyze only double bonds.

Answers

Answer:

Some enzymes remove single amino acids from proteins by beginning at the amine or N-terminus. True

Enzymes can selectively cleave specific peptide linkages between specific amino acids within a protein, thereby creating larger peptide fragments. False

Enzymes hydrolyze only double bonds. Flase

Explanation:

Enzymes are proteins that act as biological catalysts by accelerating chemical reactions. Some of them remove single amino acids from proteins by beginning at the amine or N-terminus. Enzymes can't selectively cleave specific peptide linkages between specific amino acids within a protein, thereby creating larger peptide fragments. Enzymes hydrolyze double bonds and other different structures.

In the fluid mosaic model of membrane structure, Select one: a. the proteins exist in a bilayer formation. b. the phospholipids are tightly bound in place. c. the carbohydrates are found exclusively on the intracellular surface of the membrane. d. the phospholipids act as a barrier to the passage of polar substances between the ICF and ECF e. the phospholipids arrange themselves into the shape of a channel, in order to allow ions to transport across the membrane.

Answers

Answer:

D) The phospholipids act as a barrier to the passage of polar substances between the ICF and ECF

Explanation:

The plasma membrane is made up of four major kinds of molecules which include; proteins, carbohydrates, cholesterol and phospholipids.

Phospholipids are the main structure of plasma membranes. The structure of phospholipids help it serve as a barrier by playing a role in the regulation of the movement of polar molecules intracellular and extracellular fluid compartments and therefore, protect the cell.

The phospholipid structure can be described as having two ends of a head and a tail. The head end is hydrophilic or water-loving, and contains a phosphate group. The tail is hydrophobic and is made up of fatty acid chains.

Phospholipids are arranged in a bilayer with the hydrophilic head facing outwards into the ECF and ICF and the hydrophobic tail facing inwards.

Examples of phospholipids found in the plasma membrane are phosphatidylcholine and phosphatidylserine.

Which lists the correct order of the steps?

1 . water is broken down into oxygen and hydrogen .

2 . glucose is broken down to be used by plants

3. hydrogen combines with carbon dioxide to form glucose

4. hydrogen enters the plant as part of water

Answers

It’s number 1 - water is broken down into oxygen and hydrogens

A diabetic, who does not utilize insulin properly, will metabolize fats instead of glucose. A condition called diabetic ketoacidosis is a common result of excessive fat metabolism, causing blood pH values of 7.1 or less (normal range is 7.35-7.45). What has happened to the blood pH and why?A) The pH is below normal because buffers can donate OH. B) The pH is above normal (basic) because the ketones are too basic, C) The pH is not affected because the blood buffers can absorb the excess H⁺. D) The pH is below normal (acidic) because the buffering capacity was exceeded.

Answers

Answer:The correct answer to the question is option D

THE PH IS BELOW NORMAL (ACIDIC) BECAUSE THE BUFFERING CAPACITY WAS EXCEEDED.

Explanation: When insulin is being utilized well by a diabetic,glucose is metabolized because the insulin administered helps the body cells to pick up glucose from the food we eat and convert it to energy for the body to work with and function well.But when insulin is not being utilized properly by a diabetic,fats are metabolized instead of glucose that is to say that,the cells in the body are not sensitive to the glucose supplied by the food we eat which makes the body to be hypoglycemic (low blood glucose level),the body inorder to raise the blood glucose level starts breaking down stored fats in the body at a rate that is higher than normal inorder to provide energy, the liver then processes the broken down fats into a fuel that is known as ketones, these ketones are released into the blood causing the blood to be acidic,the buffering property of blood on a normal note is suppose to resist the changes in the PH of the blood,but when the buffering capacity is exceeded,there won't be any resistance to the change in the blood PH which will inturn lower the blood PH level making it acidic.

This is exactly what happened to the diabetic being described in the question.

Fill in the sentences below, which explain how character displacement evolved in the finch populations on Santa María and San Cristóbal islands.Los Hermanos, directional, interspecific competition, reduces, shallower beaks, less, Daphne, deeper beaks.1. When the finches first colonized Santa Maria and San Cristobal, G. fuliginosa probably had beak sizes similar to finches on ______ island, and G. fortis probably had beak sizes similar to finches on ______ island.2. Significant overlap in beak size would have resulted in ______ for food.3. Natural selection favored phenotypes that competed ______ for food.4. In G. fortis, finches with ______ were selected for.5. In G. fuliginosa, finches with ______ were selected for.6. Each species experienced ______ selection, which resulted in character displacement for beak size.7. Character displacement is adaptive for both populations because it ______ interspecific competition.

Answers

Answer:

los hermanos

daphne

interspecific competition

less

deeper breaks

shallower breaks

directional

reduces

Duncan was a subject in a clinical study that was designed to determine the effects of certain diets on health. While participating in the study, he had to live in a special medical unit at the university hospital. He wasn't permitted to eat anything other than the synthetic formula diet provided by the researchers. The formula contained vitamins, choline, minerals, animal protein, purified water, and corn starch. Within a few weeks, Duncan developed patches of scaly skin on his arms and legs and bald spots on his head. When _____ were added to his formula, the signs of the nutritional deficiency disappeared.

Answers

Answer:

The missing options are:

- steroid hormones

- carbs

- essential fatty acids

- PHO

The correct answer is essential fatty acids.

Explanation:

Essential fatty acids are the fats that our body can not produce by itself, but that are essential for the function of the body, so we have to consume foods that have these fats, such as fish, oysters, nuts, chia seeds, soybean oil, etc. The deficiency of these fats causes skin problems, alopecia, anxiety, depression, among other things.

Explain how natural selection could lead to change in allele

Answers

It can cause microevolution, or a change in allele frequencies over time, with fitness-increasing alleles becoming more common in the population over generations. It refers to how many offspring organisms of a particular genotype or phenotype leave in the next generation, relative to others in the group.

If you don’t no the vocabulary in this , don’t worry :/... zzz

Just look up the definitions and you’ll be fine :)

What structural component gives arteries the ability to passively adapt to changes in blood pressures that accompany the heartbeat?

Answers

Answer: elastic fibers

Explanation:

Elastic fibres are the essential durable component present in mammalian connective tissueand functions to provide proper pulmonary,  cardiovascular and intestinal system structure and function. Their structural function is to provide elastic recoil and resilience for the tissues.

Elastin fibers ahve two main including microfibrils and elastin containing fibrillin play a mechanical and structural role in the arteries, and their important function is to provide the tissues with resilience and elasticity.

Hence, elastic fibers helps arteries to adapt to changes in blood pressures that accompany the heartbeat.

Why are bacteria a necessary part of the nitrogen cycle

Answers

Answer:

Because nitrogen must be fixed in order to be used by living things, it rarely exists in its pure form. Bacteria are a very important part of the nitrogen cycle because it helps to change or fix nitrogen into a usable form. Interesting Nitrogen Cycle Facts: Plants absorb nitrogen directly from the soil.

Explanation:

Answer:

Bacteria are a necessary part of the nitrogen cycle because living things cannot use atmospheric nitrogen. The nitrogen cycle is the series of processes that lead to the interconversion of nitrogen and its compounds in the atmosphere. Bacteria are required in the nitrogen cycle because atmospheric nitrogen cannot directly use by the plant.

Hope this help!:)

In testing a hypothesis thatʺterritorial defense in European robins is a fixed action pattern that isreleased by the sight of orange feathers,ʺresearchers found that robins defended their territory byattacking anything that was of similar size and had an orange patch. What experiment would youperform next to determine that the color initiated the defense response?A) Repeat the experiment by removing the patch completely.B) Repeat the experiment using a blue patch instead of an orange patch.C) Repeat the experiment by using a model of a robin that was twice the size of a normal robinbut with a small orange patch.D) Repeat the experiment by using a model of a robin that had an orange patch that was twicethe size of a normal patch.

Answers

Answer:

The correct answer is option A) "Repeat the experiment by removing the patch completely".

Explanation:

In this example, researchers believe that European robins have a territorial defense pattern where they attack anything similar to orange feathers, including an orange patch. In order to establish if the color initiated defense response is real it is necessary to repeat the experiment by removing the patch completely. If the European robins do not longer attack, then the researchers can conclude that the color initiated defense response is real.

Which statement about fluid pressure is true?

A. Areas of low pressure spin around regions of high pressure.

B. Areas of low pressure are warmer than areas of high pressure.

C. Fluids move from areas of low pressure to areas of high
pressure.

D. Fluids move from areas of high pressure to areas of low
pressure.

Answers

Answer:

it is b

Explanation:

Final answer:

Fluids move from areas of high pressure to areas of low pressure (Option D), which is a fundamental concept in fluid dynamics and impacts weather systems, gas behavior, and various scientific phenomena.

Explanation:

The correct statement about fluid pressure is that fluids move from areas of high pressure to areas of low pressure (option D). This principle is a fundamental aspect of fluid dynamics and is observed in various weather systems and the behavior of gases and liquids. For example, wind is an illustration of this principle as it generally blows from high-pressure zones, which are typically cooler, towards low-pressure zones, which are warmer due to the rising of less dense, heated air. Similarly, gas will move from an area of high pressure to an area of low pressure. This movement is driven by the desire to achieve equilibrium where the pressure differences are no longer present. Understanding this behavior is essential for comprehending weather patterns, ocean currents, and various engineering applications.

In prokaryotes new mutations accumulate quickly in populations, while in eukaryotes new mutations accumulate much more slowly.
The primary reasons for this are:_________.
A) Prokaryotes have short generation times and large population sizes.
B) Prokaryotes have random mutations while eukaryotes can target genes for mutations; thus mutations may not accumulate as quickly in eukaryotes but they are more useful to the organism.
C) The DNA in prokaryotes is not as stable as eukaryotic DNA and is thus more likely to mutate.
D) Prokaryote mutations are less effective than eukaryote mutations in providing variation for evolution.

Answers

Answer: Option A

Explanation:

In Prokaryotes the the rate of new mutations is much more as compared to the eukaryotes. The rate of accumulation of mutation is slow in case of  eukaryote because their generation is long as compared to prokaryotes.

Prokaryotes have short generation time and large population size which enables them to accumulate the mutation quickly.

The machinery is also not that complex when it comes to prokaryotes. Transduction, conjugation and tranposable elements. So, the changes during these processes leads to mutation in the prokaryotes and can be observed quickly due to their small generation.

Which stimulus most likely caused the leaves on these trees to turn from green to yellow?
A. too much water
B. change in soil
C. change in seasons
D. too much sunlight

Answers

Answer:

The change in the season

Explanation:

Temperature, light, and water supply have an influence on the degree and the duration of fall colors. Low temperatures above freezing will favor anticyclonic formation producing bright reds in maples. However, early frost will weaken the brilliant red color. Rainy and/or overcast days tend to increase the intensity of fall colors.

What are some of the conditions that hydrotherapy might be used for? Why would it be a good choice for helping to treat these conditions?

Answers

Hydrotherapy

Explanation:

Hydrotherapy is the use of water in the treatment of different conditions, including arthritis and related rheumatic complaintsThe water temperature is usually 33–36ºC, which is warmer than a typical swimming poolHydrotherapy can help people in a number of different ways: The warmth of the water allows the muscles to relax and eases the pain in jointsThe water supports weight, which helps to relieve pain and increase the range of movement of jointsThe water can be used to provide resistance for moving the joints, by pushing arms and legs against the water muscle strength can also be improved  

Number the steps from when a stimulus is received to when the body reacts.
The stimulus is received by sensory receptors.
Motor neurons cause muscles to contract so the body can react to the stimulus.
The brain processes the information through interneurons.
Interneurons transfer response information to motor neurons.
Sensory neurons carry stimulus information to the brain or spinal cord.

Answers

Answer:

15342

Explanation:

Got it right

When a stimulus is received, it is detected by sensory receptors, transmitted to the brain or spinal cord by sensory neurons, processed by interneurons, and then a response is carried out by motor neurons causing muscle contractions.

The process from when a stimulus is received to when the body reacts involves several steps that utilize different types of neurons such as sensory neurons, interneurons (relay neurons), and motor neurons.

The stimulus is received by sensory receptors, which detect external or internal changes.Sensory neurons carry stimulus information to the brain or spinal cord.Within the central nervous system, interneurons (relay neurons) process the information and are involved in decision-making.Interneurons transfer response information to motor neurons.Motor neurons cause muscles to contract so the body can react to the stimulus, completing the response.

The entire process is often part of what is known as a reflex arc, which enables rapid and involuntary reactions to stimuli.

The independent variable in this experiment was___
, and the dependent variable was ___​

Answers

I don’t know the experiment you did but I can tell you the definitions and common variable types.

Independent variable: a variable (often denoted by x ) whose variation does not depend on that of another. Two examples of common independent variables are age and time.


Dependent variable: a variable (often denoted by y ) whose value depends on that of another. The dependent variable (sometimes known as the responding variable) is what is being studied and measured in the experiment.

Hope this helps :)

Answer:

independent is molecule size and dependent is the ability to diffuse

Explanation:

You are a molecule of nitrogen. Choose a starting
point in the nitrogen cycle and describe the
process you would go through to move through
the entire cycle.

Answers

Answer:

Explanation:

The conversion of nitrogen gas (N2) into nitrates and nitrites through atmospheric, industrial and biological processes is called nitrogen fixation. Atmospheric nitrogen must be processed, or "fixed", into a usable form to be taken up by plants. Between 5 and 10 billion kg per year are fixed by lightning strikes, but most fixation is done by free-living or symbiotic bacteria known as diazotrophs. These bacteria have the nitrogenase enzyme that combines gaseous nitrogen with hydrogen to produce ammonia, which is converted by the bacteria into other organic compounds. Most biological nitrogen fixation occurs by the activity of Mo-nitrogenase, found in a wide variety of bacteria and some Archaea. Mo-nitrogenase is a complex two-component enzyme that has multiple metal-containing prosthetic groups.[22] An example of free-living bacteria is Azotobacter. Symbiotic nitrogen-fixing bacteria such as Rhizobium usually live in the root nodules of legumes (such as peas, alfalfa, and locust trees). Here they form a mutualistic relationship with the plant, producing ammonia in exchange for carbohydrates. Because of this relationship, legumes will often increase the nitrogen content of nitrogen-poor soils. A few non-legumes can also form such symbioses.

Final answer:

The nitrogen cycle starts in the atmosphere where nitrogen fixation occurs, turning nitrogen gas into ammonia. The ammonia is then converted into nitrites and then nitrates through nitrification, which are absorbed by plant roots and transferred to animals. From there, denitrification completes the cycle by converting nitrates back into nitrogen gas and returning it to the atmosphere.

Explanation:

As a molecule of nitrogen, your journey through the nitrogen cycle would start in the atmosphere since it is made up of about 78% nitrogen gas (N2). From here, you could enter the cycle through a process called nitrogen fixation. This process is performed by certain kinds of bacteria or through atmospheric interventions such as lightning strikes which convert nitrogen gas into ammonia (NH3).

Next, in the soil, different bacteria convert ammonia to nitrites (NO2-) and subsequently to nitrates (NO3-), which are usable forms of nitrogen for plants. This sequence is called nitrification. Then, you could be absorbed by plant roots from the soil, assimilated into plant protein, and transferred to herbivores that eat the plants.

From here, other soil bacteria may convert nitrates back into nitrogen gas in a process known as denitrification, placing you back into the atmosphere to complete the cycle.

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is a topographic map or a geologic map most useful for drilling a water well

Answers

Answer:

A geologic map would be most appropriate because it can represent various layers of Earth’s surface from a side view or cross section. Such a map would be helpful in drilling a water well because it would show the different layers of rock and their depths, and would reveal where groundwater was and how deep they would need to drill to reach it.

Explanation:

Mining has only short-term effects on the Earth. Please select the best answer from the choices provided T F

Answers

Answer:

False

Explanation:

The statement "Mining has only short-term effects on the Earth" is false.

What are the effects of c on earth?

Depending on the type of mine and its location, mining has both immediate and long-term effects on the soil. There are some non-fuel materials that can be mined without causing environmental harm.

The consequences can include soil erosion, sinkholes, biodiversity loss, and contamination of surface, ground, and freshwater resources by chemicals released during mining operations.

But in order to get useful material out of metal minerals, chemical treatment is required. It is possible to manufacture toxins, and when these toxins seep into lakes and streams, they frequently destroy anything they come into contact with. The effects are permanent.

Therefore, the statement is false.

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The size of a population refers to the _____
of individuals in the population.

Answers

Answer: cells

Explanation:

The size of a population refers to the number of individuals in the population
Other Questions
suppose that a new alloy is invented which uses copper and zinc in fixed proportions where 1 unit of output requires 3 units of copper and 3 units of zinc for each unit of alloy produced. If no other inputs are needed, the price of copper is $3, and the price of zinc is $3, what is the average cost per unit when 4,000 units of the alloy are produced? A test of [tex]H_{0}[/tex]: = 20 versus [tex]H_{1}[/tex]: > 20 is performed using a significance level of = 0.05. The value of the test statistic is z = 1.47. If the true value of is 25, does the test conclusion result in a Type I error, a Type II error, or a Correct decision? ACME Corporation sells a product for $170 per unit. The product's current sales are 10,000 units and its break-even sales are 8,100 units. The margin of safety as a percentage of sales is closest to __________. Dai owns an automobile mechanic shop. He started using digital media to have real-time exchanges and almost instant communication with his defined consumer groups. All of the following are benefits of using real-time exchanges EXCEPT they What is the volume of the sphere in terms of ? V = in.3 In the 1800s, a new movement calledfocused on imagination, nature, and emotion. help please!!!!!!!!! Pinky Bauer, Chief Financial Officer of Harrison Haulers, Inc., suspects irregularities in the payroll system. She knows that 2,500 payroll vouchers have been issued since January 1, 2000, and her staff doesn't have time to inspect each voucher. So, she orders her staff to inspect the last 200 vouchers. Her sample is a ___________.A. stratified sample B. simple random sample C. convenience sample D. systematic sample Joanna hired Max six months ago, and he is doing a good job. He makes valuable contributions during decision-making meetings and allows others to have input. He is also able to adapt easily to new situations once new facts are introduced. If Joanna is a good manager, what kind of skills does she recognize in Max and how can she use those skills best? Determine the critical values of f(x) = ax + bx + c. A critical value can occur where f'(x) = 0 and also where f'(x) does not exist. Since f'(x) is a polynomial, there are no x-values where f '(x) does not exist. Therefore, the only critical values will be where f'(x) = 0. Solve the equation f'(x) = 0 for x. How many oxygen (O) atoms are involved in this chemical reaction?2Fe(OH)3 Fe2O3 + 3H20 I am the god of the seas who delays Odysseus' return with fierce storms. City Slick, Inc., makes cosmetics. City Slick intentionally mislabels its packaged products to conceal a defect. Trusting and relying on the mislabeling, Dora buys a City Slick product and suffers an injury. City Slick is most likely liable for:___________. A. product misuse. B. fraud. C. privity.D. puffery. What are the answers to these and how do I do it In Lewis Carrolls Alices Adventures in Wonderland, Alice expects others to be well-mannered. From which sentence can this personality trait be inferred? Alice caught the baby with some difficulty, as it was a -shaped little creature, and held out its arms and legs in all directions, just like a star-fish, thought Alice. The poor little thing was snorting like a steam-engine when she caught it, and kept doubling itself up and straightening itself out again, so that altogether, for the first minute or two, it was as much as she could do to hold it.As soon as she had made out the proper way of nursing it, (which was to twist it up into a sort of knot, and then keep tight hold of its right ear and left foot, so as to prevent its undoing itself,) she carried it out into the open air. If I don't take this child away with me, thought Alice, they're sure to kill it in a day or two: wouldn't it be murder to leave it behind? She said the last words out loud, and the little thing grunted in reply (it had left off sneezing by this time).Don't grunt, said Alice; that's not at all a proper way of expressing yourself.The baby grunted again, and Alice looked very anxiously into its face to see what was the matter with it. There could be no doubt that it had a very turn-up nose, much more like a snout than a real nose; also its eyes were getting extremely small for a baby: altogether Alice did not like the look of the thing at all. But perhaps it was only sobbing, she thought, and looked into its eyes again, to see if there were any tears. HELP NEEDED ASAP SOMEBODY HELP PLS A very long uniform line of charge has charge per unit length 1 = 4.80 C/m and lies along the x-axis. A second long uniform line of charge has charge per unit length 2 = -2.26 C/m and is parallel to the x-axis at y1 = 0.400 m . (Hint: You will need to know or derive using Gauss law the electric field by a uniform line charge) What is the role of the pancreas?OA. It takes excess salt from the blood.OB. It maintains the amount of water in the body.OC. It produces digestive enzymes.OD. It removes toxins from food. Write 0.2 as a fraction in simplest form Statements: (1) In the tripeptide Gly-Ala-Ser, the amino acid at the N-terminal end is Ser. (2) More than one polypeptide chain may be present in a conjugated protein but not in a simple protein. (3) In solution at physiological pH, the side chain of a polar basic amino acid bears a negative charge. a. All three statements are true. b. Two of the three statements are true. c. Only one of the statements is true. d. None of the statements are true.