Answer:
D. Magnification / size of drawing
Explanation:
You would calculate a scale for your drawing when using a microscope by magnification / size of drawing.
which charcteristic distinguishes the five groups of fungi
Answer:
The five groups of fungi were made o classified on the basis of how they reproduce sexually.
Explanation:
On the basis of their reproductive organs and sexual reproduction, fungi is classified into following five groups:
chytridszygomycetesglomeromycetesascomycetesbasidiomycetesFemales of one fish species use an appendage with a glowing tip to lure prey. Bacteria living in the appendage produces this glow. The appendage provides the bacteria with resources and shelter. Which term describes the relationship between these fish in the bacteria? A. Predation B. Parasitism C. Mutualism D. Commensalism
Answer:
D) Commensalism
Explanation:
The bacteria benefits from this while the fish are neither harmed nor gain benefit
Which are units used to express volume? (high school btw not middle school)
What is dictyosome????
Answer:are stacks of flap,membrane bound cavities that together compromise the Golgi Apparatus.
Explanation:
Answer:
Dictyosome are cell organelles present in plant cells and perform functions similar to golgi apparatus present in animal cells.
Explanation:
Dictyosome are flat, membranous cavities also called cisternae. It allows formation of plate during cell division. Dictyosome in plant cells are freely present in cytoplasm.
A river has different populations of lampreys and paddlefish. The paddlefish feed on zooplankton, while the lampreys feed on the paddlefis
Humans living around the river hunt the paddlefish. What will happen to the ecosystem if the paddlefish are hunted in excess?
A.
The population of lamprey will decrease, while the population of paddlefish will increase
B.
The population of paddlefish will decrease, while the population of zooplankton will increase.
c.
The population of paddlefish will increase, while the population of zooplankton will decrease
D.
The population of lamprey will increase, while the population of zooplankton will decrease
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Answer:
B
Explanation:
Because nothing is eating the zooplankton then they will increase and the paddle fish will decrease because they are being hunted... Hope this helps!!!
Answer:
Option B, The population of paddlefish will decrease, while the population of zooplankton will increase.
Explanation:
Since, it is given that humans living around the river started hunting the paddlefish thus their population will definitely decrease. As the number of paddlefish decreases the extent to which they feed on zooplanktons will also decrease. Thus, the population of zooplanktons will increase with no or limited disturbance.
Population of lamprey which feed on paddlefish will start decreasing as their food i.e paddlefish has started declining.
Thus, option B is the correct answer.
In order for a theory to be considered valid it must be: observed at least one time recorded repeatable inferred from personal interpretation
Which of the following organs controls body temperature, water level, and carbon dioxide level? A. Lungs B. Pancreas C. Muscles D. Brain
Answer:
Pancreas
Explanation:
The pancreas controls body temperature, water level, and carbon dioxide level.
What principal organ structures are involved in preserving your temperature?The cardiovascular, integumentary, breathing and muscular systems work collectively to help the frame hold a solid inner temperature. If frame temperature rises, blood vessels in the pores and skin dilate, permitting more blood to go with the flow near the skin's floor.
What organ gadget is responsible for temperature manipulation?Hypothalamus is a segment of your mind that controls thermoregulation. while it senses your internal temperature turning too low or excessive, it sends indicators in your muscle groups, organs, glands, and worrying machine.
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how does mitochondria and lysosomes and nucleus and golgi boby work together to provide nutrition and energy for the cell ?
Answer:
Ribosomes, the endoplasmic reticulum and the Golgi apparatus are related to each other through their involvement in protein synthesis and transport. ... The primary role of the Golgi apparatus is to modify the proteins and encase them into vesicles. From here they are transported to the various parts of the cell.
Explanation:
Genetic drift in a population affects the gene pool in which of the following ways?
-decrease in genetic variation
-increase in genetic variation
-increased mutations
-decreased gene flow
?
O
O
O
O
() " ."
:
:
Why do marine scientists need to understand longitude and latitude?
So they know where they're going
Why does the potential energy and the kinetic energy change when the skateboarder is at the top or the bottom of the hill why do you think this change occurs
Answer:
Potential energy is gaining all the way to the top of the hill due to the increase of height (gravitational pull) on the skateboarder. At the top of the hill potential energy will reach its highest point. Then going down kinetic energy increases as potential energy decreases.
Explanation:
Answer : The potential energy and kinetic energy are always in flux. At the top of the hill, potential energy is at its highest and kinetic energy is at its lowest because the skateboarder stops for just a moment before being pulled down the hill by the force of gravity. At the bottom of the hill, kinetic energy is the highest because the skateboarder reaches maximum speed
Explanation: PLATO SAMPLE ANSWER
Energy is converted from one form to another in cells. What role does ATP play in this process?
Cells use ATP to harvest energy from sunlight.
Cells convert energy stored in ATP into nutrients.
Cells convert energy stored in ATP into kinetic energy.
Cells use ATP to produce nutrients such as glucose.
Answer:
Cells convert energy stored in ATP into kinetic energy. - third choice
Answer: Option C
Explanation:
The energy that is stored in ATP can be used to derive the various processes of the body.
The third bond in the ATP is loosely bonded with the molecules which is broken down to allow more stronger bonds to form and provide energy for the cellular processes.
Through the process of cellular respiration the bonds are broken releasing the potential energy of the molecules in the form of kinetic energy that is used by the cells to do work.
what are the physiological reactions to stress in the alarm stage
Answer:
Physiological reactions to stress in the alarm stage include: increased heart rate and blood pressure, dilated pupils, rapid and shallow breath, and increased cortisol levels.
Explanation:
Hans Seyle, a medical doctor proposed a model called the General Adaptation Syndrome (GAS) to explain the effects and stages of coping with the stress. The GAS model has three stages, known as:
1. Alarm stage
2. Resistance stage
3. Exhaustion stage
The alarm stage is the first stage of responding to stress. During this stage, the fight-or-flight response is activated when an individual is experiencing stress. This stage involves the following physiological reactions:
1. Increased heart rate
2. Increased blood pressure
3. Dilated pupils
4. Rapid and shallow breath
5. Increased cortisol levels
This simulation shows only the changes in energy that cause the motion of the skateboarder what energy transformations are going on with in the skateboarders body during this process. Please help ASAP
Answer:
Plato Answer
Explanation:
Some of the skateboarder’s stored chemical energy is being used to fuel muscle movement. This movement would also involve a release of thermal energy by the skateboarder.
Answer:
Potential energy will transform into kinetic energy. Potential energy will become kinetic energy and both energies can release thermal energy.
Explanation:
Let' suppose a physics simulation similar to the attached file.
We have a skateboarder moving on the surface.
The skateboarder varies his position. The highest point of the trajectory will have the highest potential energy and the lowest kinetic energy.The lowest point of the trajectory will have the lowest potential energy, all the potential energy will become kinetic energy. So, the lowest point of the trajectory will have the highest kinetic energy value.
As a consequence of friction force, part of both energies could convert in thermal energy.
Finally, we can conclude that Potential energy will transform into kinetic energy. Potential energy will become kinetic energy and both energies can release thermal energy.
if there is no oxygen around the sun then how does the sun burn is the sun really burning can the process be called combustion
The Sun is not burning through combustion with oxygen but operates through nuclear fusion, which allows it to emit energy for billions of years, unlike combustion which would only sustain it for a very short period.
The Sun does not burn in the way that we think of materials burning on Earth, such as wood or coal. In a combustion reaction, a substance reacts with oxygen to release energy in the form of heat and light. However, the Sun operates through a different process known as nuclear fusion, where hydrogen nuclei combine to form helium, releasing immense amounts of energy in the process.
Assuming the Sun was made entirely of oxygen and combustion was possible, when an oxygen atom combusts, it would release an electron-volt of energy. But given the chemical bond energy typical of combustion reactions (about 1 eV), the Sun would have a very short lifespan, far shorter than what we observe. Even if the Sun were made of the best anthracite coal and oxygen, it could only sustain its current level of heat output for less than 1500 years given the huge amount of energy it emits.
Therefore, it is not combustion that powers the Sun, but rather the process of nuclear fusion, which is capable of producing the Sun's energy for billions of years.
14. Which immune cells circulate in the body, providing immunity by producing antibodies?
A. Antigens
B. T-cells
C. Lymph Nodes
D. B-cell
The types of immune cells that circulate in the body and provide immunity by producing antibodies are known as B cells. Thus, the correct option is D.
What is Antibody?An Antibody may be defined as a type of protein that is synthesized by the plasma cells of B lymphocytes in response to specific antigens. It is a Y-shaped molecule with diverse forms.
B lymphocyte is one of the main types of lymphocytes that are classified under white blood cells which are the essential part of an immune system. B cells are further classified into plasma cells and memory cells. Plasma cells are responsible for the formation of antibodies that provides adaptive immunity.
Therefore, the types of immune cells that circulate in the body and provide immunity by producing antibodies are known as B cells. Thus, the correct option is D.
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In his study of pea plants, Gregor Mendel used which method to produce offspring?
O cross-pollination, by using parents that had identical traits
O cross-pollination, by using parents that had different traits
O self-pollination, by using one parent
O random pollination, by using both identical- and different-trait matings
Answer:
B. cross pollination by using parents with different traits in order to see how the genetics took part in their roles
Answer:
the answer is b, cross-pollination by using parents that had different traits
Explanation:
in which step of the water cycle does most of earth’s water enter the atmosphere?
Answer:
evaporation
Explanation:
Answer:
Evaporation
Explanation:
Because the Earth's surface is made up of mostly water that evaporates constantly.
HELP!! Decomposers are important to the biogeochemical cycle because they break down organic matter and make the nutrients available to other organisms. What is the process of breaking down organic nitrogen to ammonia known as?
Answer:
Ammonification
Explanation:
The ammonification is part of the nitrogen cycle. This process occurs when the plants and animals die. The dead plants and animals start to decompose because of the organisms like the fungi and bacteria that manage to decompose them. As they are decomposed, the nitrogen is converted into ammonium by the decomposers. The ammonium is returned into the soil, thus becoming available for the living organisms that can extract it from it, and in that manner continuing the nitrogen cycle.
The YELLOW arrows in the diagram point to what?
A. The templates for new DNA strands
B. The new DNA strands
C. The location of the RNA
D. The location of the hydrogen bonds
The location of the hydrogen bonds.
These are two metamorphic rocks. Which statement about the rocks is accurate? The rock on the right is foliated. The rock on the left formed from granite. The rock on the left is formed from cooled magma. The rock on the right has randomly arranged grains.
Answer:
The rock on the right is foliated.
Explanation:
From the look, we can easily name the two rocks. These rocks are common metamorphic rocks. The rock on the right is a slate while the one on the left is quartzite.
From close observation, the slate is foliated and has a uniquely layered pattern. Foliation is a leaf-like appearance of metamorphic rocks and it is a result of metamorphic changes in a rock.
The protolith of quartzite is mostly sandstones which is a sedimentary rock.
The protolith of slate is also a sedimentary rock which are fined grained such as mudstone.
Answer:
answer (A)
Explanation:
Which is a non-Mendelian trait?
A. A trait with a very dominant form
B. A trait with two alleles C. A trait with no clearly dominant allele
D. A trait controlled by one gene
A trait with no clearly dominant allele a non mendelian trait.
What is a non mendelian trait?Non-Mendelian traits refer to traits that are not transmitted with dominant and recessive alleles from one gene. from one generation to another. Polygenic traits are examples of non-Mendelian because their alleles are located on more than one gene which give room to more alleles and phenotypes. Examples of polygenic traits are hair color and height.
Therefore, A trait with no clearly dominant allele is a non mendelian trait.
Learn more about non mendelian trait from here.
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Answer:
C is right
Explanation:
<3
An owl eats its prey whole or in large pieces. Summarize what is found in an owl pellet and why it is regurgitated.
Answer:
Sample Answer: An owl’s digestive system cannot break down parts of the prey such as teeth, bones, fur, and exoskeletons. These parts of the prey are compressed into an owl pellet. The owl regurgitates this material so that it can leave the owl’s stomach.
Explanation:
Just did this!!!! Absolutely 100% true!!!!
Answer:
An owl’s digestive system cannot break down parts of the prey such as teeth, bones, fur, and exoskeletons. These parts of the prey are compressed into an owl pellet. The owl regurgitates this material so that it can leave the owl’s stomach.
Explanation:
which of these substances does not protect against invaders in the nonspecific immune response
a- stomach acid
b- antigens
c- digestive enzymes
d- lysozome
B: Antigens
Explanation: Antigens itself are the invaders that causes an infection or a disease in living organism. They do not protect against invaders in non-specific response as they themselves are the ones who are invading the body.
Digestive enzymes are the enzymes that act on a particular substrate for its action at a particular PH.
Stomach acid is the hydrochloric acid that keeps the PH of the stomach low and prevents the growth of unwanted pathogens.
Lysosomes have digestive enzymes in it. It performs the process of phagocytosis.
Which of the following explains how polar molecules form
Answer:
D. Electrons are more attracted to one of the atoms involved in a bond.
Electrons are more attracted to one of the atoms involved in a bond.
How do polar molecules shape?Polar molecules arise while atoms do not percentage electrons similarly in a covalent bond. A dipole bureaucracy, with part of the molecule carrying a slightly positive rate and the other part wearing a slightly bad price. This takes place whilst there may be a distinction among the electronegativity values of each atom.
What is a polar and nonpolar molecule?Polar molecules occur when there may be an electronegativity distinction between the bonded atoms. Nonpolar molecules arise while electrons are shared similarly among atoms of a diatomic molecule or when polar bonds in a bigger molecule cancel each other out.
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How is most of the electricity in the United States generated?
Select which of the following have an impact on the Earth's climate:
Humans
Plants
Earth's orbit
All Life
Ice composition
Answer:
All life
Explanation:
Just trust me. I am too tired to explain this right now.
A gene editing technology called CRISPR-Cas9 uses cellular machine to change the cells genetic material. How might this technology be used in treating diseases like cancer?
Answer:
Explanation:
Lets start with an explanation of cancer. Cancer is the uncontrollable division of cells. It is a genetic desease that is caused by changes in the genes that control cell division.
CRISPR can be used to combat these changes and change these cancers to be benign.
Answer:
CRISPR-Cas9, CRISPR (clustered regularly interspaced short palindromic repeats) and Cas 9 (CRISPR-associated protein 9). CRISPR are the DNA sequences present in the genome of bacteria and archaea. Cas 9 is a caspase enzyme that is used to cleave the CRISPR sequence.
CRISPR-Cas9 is a genetic technique that can be used to edit the genetic sequence of organism. This latest technique can be used to treat the cancerous cells. The genetic constituent of cancerous cells can be modified by this technique and used to treat the cancer diseases. The new drugs target can be discovered by using CRISPR-Cas9 technique.
which statement best describes the relationship between photosynthesis and cellular respiration
Answer:
There are no options but generally photosynthesis uses light to excite electrons and utilising Chlorophyll then uses this energy to convert CO2 to glucose.
Explanation:
In one type of dog, black spots (B) are dominant over brown spots (b) and long tails (L) are dominant over short tails (l). Use the dihybrid cross for parents with the genotypes BBLl and BbLl and determine the likelihood of offspring with the phenotype of brown spots and short tails.
BL Bl BL Bl
BL BBLL BBLl BBLL BBLl
Bl BBLl BBll BBLl BBll
bL BbLL BbLl BbLL BbLl
bl BbLl Bbll BbLl Bbll
0%
10%
20%
50%
Answer:
There is a 0% chance of getting the phenotype of brown spots and short tails.
Explanation:
Here is a Punnett square
BL Bl BL Bl
BL BBLL BBLl BBLL BBLL
Bl BBLl BBll BBLl BBll
bL BbLL BbLl BbLL BbLl
bl BbLl Bbll BbLl Bbll
Answer:
Option A, 0%
Explanation:
It is given that
a) black spots (B) are dominant over brown spots (b)
b) long tails (L) are dominant over short tails (l)
Thus, the offspring with genotype "bb" will be of brown color as b is a recessive trait.
Also, offspring with genotype "ll" will have short tail as short tail is a recessive trait.
Thus, in the given punnet square genotype representing brown color and short tail together are - zero
Thus, option A is correct.