Biology High School

which two groups are the most similar in physical characteristics

A) Archaebacteria & Eukarya
B) Archae & Viruses
C) Archaea & Eubacteria
D) Eukarya & Eubacteria

Answers

Answer 1

Archaea & Eubacteria               is the answer

Answer 2

Answer:

Ans A) Archaebacteria & Eukarya..

Explanation:

Related Questions

Dna is wrapped around histones, which contain many copies of the positive amino acids lysine and arginine. these positive amino acids neutralize the negative charge of the _____ of the dna wrapped around the histone.

Answers

This question is incomplete as the following choices are provided:
A) ribose sugar 
B) hydroxyl group 
C) nitrogenous base 
D) phosphate group 
E) All of the answer options are correct.

The correct answer is D: Phosphate group. 
Final answer:

Histones, rich in positive amino acids, neutralize the negative charge of the phosphate groups in DNA. This organization allows for DNA compaction and control over biological processes like replication and transcription.

Explanation:

DNA is wrapped around proteins known as histones to form structures called nucleosomes. The histones are rich in basic amino acids, including positive amino acids lysine and arginine. These positively charged amino acids help neutralize the negative charge of the phosphate groups of the DNA that is wrapped around the histone.

Due to these interactions, DNA can be compacted into a significantly smaller volume, allowing it to fit into the cell nucleus. This type of organization helps Eukaryotes to manage their large amount of DNA and control its accessibility for crucial biological processes like replication and transcription.

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Help!! Will medal!
The part of your brain the is responsible for you responding to this question is the

Answers

The biggest part of the brain is the cerebrum which makes up 85% of the brain's weight. The cerebrum is the thinking part of the brain and it controls your voluntary muscles.

Answer:

Cerebrum

Explanation:

The Cerebrum is also known as the Telencephalon. The human brain is divided into three parts or areas and the Cerebrum is the largest part or area of the brain.

The cerebrum is located at topmost part of the Central Nervous System.

The cerebrum is made up of some of the structures that we can find in the brain such as the

a. The cerebral cortex of the brain's hemispheres

b. The Olfactory bulb

c. The hippocampus

d. The basal ganglia.

The cerebrum carries out the functions such as

a. The interpretation of what we see, our emotions, touch.

b. The cerebrum is involved in human thinking and reasoning.

c. The cerebrum is responsible for movement of the left and right side of the body.

A patient taking metronidazole (flagyl) for the treatment of h. pylori states that the medication is causing nausea. what suggestion can the nurse provide to the patient to alleviate this problem?

Answers

A patient taking metronidazole (flagyl) for the treatment of h. pylori states that the medication is causing nausea. the suggestion that the nurse should provide to the patient to alleviate this problem is to instruct the patient to drink the medication with meals to decrease nausea. 

H.pylori causes gastrointestinal tract problem like stomach problem, abdominal pain, ulcer etc so the person should eat light food and taking medicine on time.

Metronidazole is an antibiotic commonly used to treat bacterial infections, including H. pylori. One of the most common side effects of metronidazole is nausea, which can range from mild to severe. Other common side effects include headache, dizziness, and stomach upset.If a patient taking metronidazole for the treatment of H. pylori experiences nausea, the nurse can suggest taking the medication with food or a full glass of water to help alleviate the symptoms. Additionally, the patient may benefit from taking an over-the-counter anti-nausea medication or speaking with their healthcare provider about adjusting the dosage or switching to a different medication. It is important to continue taking the medication as prescribed to fully treat the H. pylori infection.Therefore healthcare provider may suggest taking the medication with food or milk to help reduce nausea.

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A client has been prescribed glucagon for the management of hypoglycemia. which nursing interventions should the nurse be prepared to provide this client for the management of possible adverse effects? select all that ap

Answers

Glucagon is the medication to elevate blood sugar levels. Rebound hypoglycemia is a potential adverse effect, which is why it is important for the client to have carbohydrates once consciousness returns. No remarkable side effects exist. If unconscious when administered, the patient usually awakens in 5 to 20 minutes after receiving glucagon. Vomiting may occur, so aspiration precautions should be taken by placing the patient on the side. Blood samples should be collected for test to show an increase in blood sugar (desired outcome). IV is the preferred method of glucagon administration. When client is conscious, oral carbohydrates and protein should be given.

Fertilizer runoff from farms can get into groundwater and travel to nearby streams. Then, it can eventually end up in lakes. What is one result of excess fertilizer in a lake?

Answers

Final answer:

Excess fertilizer in a lake can lead to eutrophication, which causes an overgrowth of algae. This depletes dissolved oxygen, resulting in dead zones and potentially producing harmful toxins.

Explanation:

One result of excess fertilizer in a lake is the process known as eutrophication. This occurs when the fertilizers, which are rich in phosphorus and nitrogen, are washed into bodies of water. The abundance of these nutrients causes an overgrowth of algae (algal blooms), which can deplete the dissolved oxygen in the water as they decay, leading to the death of aquatic life. This also results in the formation of what are known as 'dead zones,' where the lack of oxygen leads to a significant decline in the lake's biodiversity. Furthermore, some algal blooms can produce harmful toxins that pose health risks to humans and wildlife.

Calcium ions couple excitation of a skeletal muscle fiber to contraction of the fiber. where are calcium ions stored within the fiber?

Answers

Calcium ions are stored in the sacoplasmic reticulum.  Sarcoplasmic reticulum plays an important role in storage and also acts as a release site for calcium. When calcium is released by the sarcoplasmic reticulum into the muscle it binds to the troponin, thus causing the tropomyosin to shift from the face of the actin filament to which myosin heads need to bind to produce a contraction.

Calcium ions are stored in the sarcoplasmic reticulum of muscle fibers. They play a crucial role in muscle contraction by binding to troponin and allowing the interaction between actin and myosin filaments.

Calcium ions play a crucial role in muscle contraction. They are stored in the sarcoplasmic reticulum, a specialized type of endoplasmic reticulum found in muscle fibers. When a muscle fiber is stimulated, calcium ions are released from the sarcoplasmic reticulum into the cytoplasm of the fiber.

These calcium ions then bind to a protein called troponin, which triggers a series of molecular events that ultimately lead to muscle contraction. The binding of calcium to troponin exposes binding sites on the actin filament, allowing the myosin heads to attach and generate force, resulting in muscle contraction.

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The graph shown above is from one of the most well-known and on-going ecological studies ever performed. Isle Royal National Park, an island on Lake Superior, keeps data of populations of wolves and moose living there. The moose are a major food source for the wolves. Since the warming of the climate by El Nino in 1998, the tick population on the island has increased. Ticks cause anemia and hair loss in animals. These factors can expose animals to hypothermia in cold weather. Scientists are hoping to incorporate all three factors in their research. What would be an appropriate research question to guide the scientists?

A)
Moose death is directly related to an increase in the tick population.


B)
How does an increase in the tick population impact the survival of the wolves?


C)
If the moose population increase, would we expect an increase in the wolf or tick population?


D)
What is the relationship between an increase in the tick population and the death rate of the moose and wolves?

Answers

The answer is D: What is the relationship between an increase in the tick population and the death rate of the moose and wolves? The graph shows an inverse relationship between the number of moose and wolves: an increase in wolves results in a decrease in moose and vise versa. The scientists want to assess the impact of ticks on this relationship. Therefore, only aim D is valid.

the the answer would be D.

How do living organisms create macromolecules, organelles, cells, tissues, and complex higher-order structures? select one:
a. living organisms create order using energy from food molecules.
b. living organisms create order by using energy from the sun.
c. living organisms create order locally, but the energy transformations generate waste heat that increases the entropy of the universe as a whole.
d. the laws of thermodynamics do not apply to living organisms?

Answers

The correct answer is living organisms create order locally, but the energy transformations generate waste heat that increases the entropy of the universe as a whole.

From energy (i.e. from the sun, the main source of energy), organisms create order locally by creating cells with organized organelles such as the mitochondria, chloroplasts, Golgi apparatus etc. This cells are ordered to make tissues, organs, organ systems, and eventually, whole organisms as higher order structures. But then again, doing so needs several various chemical reactions to take place wherein heat is produced as a waste product. Heat is an unusable form of energy thereby increasing the entropy (or disorder) of the universe. 
The answer is that; living organism create order locally, but the energy transformation generate waste heat that increase the entropy of the universe as a whole.
Life is highly ordered, therefore living organism should have much lower entropy than their non-living constituents. Using energy to create and maintain order is one of the key significance of life. Living things act to reduce entropy locally, in the organism, there must be a corresponding increase in entropy somewhere else to offset the reduction.

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Shannon goes to the doctor complaining of symptoms of a sinus infection. She has frequent headaches around her eyes and complains of dizziness. Why would her doctor ask for details of her family medical history if Shannon believes she only has a sinus infection?

A: The family history may suggest another cause that should be investigated.
B: The family history may require other members of her family to be treated as well.
C: The family history is only for medical insurance issues.
D: The family history is gathered only when the problem has not been diagnosed.

Answers

The answer is A, because some diseases are genetic, and Shannon could be at risk of an underlying disease.
The correct answer is A because some diseases can be inherited from parents or relatives. :) 

The pseudostratified ciliated columnar epithelium of the trachea ________. the pseudostratified ciliated columnar epithelium of the trachea ________. lines the airway that is held open by c-shaped cartilaginous rings produces mucus to trap dust particles, bacteria, and other debris produces mucus to trap dust particles, bacteria, and other debris; sweeps the mucus toward the throat, where it can be expelled or swallowed; and lines the airway that is held open by c-shaped cartilaginous rings sweeps the mucus toward the throat, where it can be expelled or swallowed

Answers

The part of your question actually was the answer. 

The pseudostratified ciliated columnar epithelium of the trachea produces mucus inorder to capture particles of dust, bacteria, and debris; swings the mucus to the throat where it can be swallowed and arranges the airway that is being open by C-shaped rings (cartilagenous).

what is the greenhouse effet. Why is the greenhouse effect so important to life on Earht

Answers

The greenhouse effect is the trapping of the sun's warmth in a planet's lower atmosphere due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface.

Within the forebrain, the structure that plays a key role in the release of hormones by the pituitary gland is the:

Answers

Within the forebrain, the structure that plays a key role in the release of the hormones by the pituitary gland is the hypothalamus.

Good luck :)

what is the specific gravity means and how does specific gravity related to solid materials,

Answers

Specific gravity is the ratio of the density of a substance to the density of water (for solids and liquids) or air (for gases). It describes how heavy or light material is relative to water.

Specific gravity is a dimensionless quantity that represents the ratio of the density of a substance to the density of a reference material. The reference material is water for liquids and solids, or air for gases. This ratio indicates how much heavier or lighter a substance is compared to water. For solid materials, specific gravity can provide important information about the composition and the atomic packing of the mineral.

Specific gravity is particularly useful in fields like geology and engineering where it can inform decisions about material selection and use. It is a key property of minerals and is influenced by a mineral's chemical composition and how densely its atoms are packed together. Minerals with heavier elements, such as gold, tend to have a higher specific gravity.

The nurse is preparing discharge teaching for a client who has chronic obstructive pulmonary disease (copd). which teaching about deep breathing will the nurse include?

Answers

The nurse should teach pursed-lip breathing in a patient with chronic obstructive pulmonary disease. This kind of breathing allows the patient to exhale most of the air trapped in the lungs, as hyperinflation is very evident in COPD. The nurse should instruct the patient to inhale slowly for 3 seconds, purse the lips, contract abdominal muscles, and exhale slowly.
Chronic obstructive pulmonary disease (COPD) is a chronic inflammatory lung disease that causes long-term breathing problems and obstructed airflow. Symptoms of COPD include difficulty in breathing, cough with sputum production and wheezing. Deep breathing is an exercise that prevents air from getting trapped in the lungs and it is useful for people with COPD. For the question above, the teaching about deep breathing that the nurse will include is; (i) the client should sit or stand with his elbows slightly back, (ii) he should inhale deeply through his nose, (iii) hold his breath as he count to 5 and (iv) he should release the air through a slow, deep exhale through his nose until he feel the inhaled air has been released. This may be performed for about 10 minutes at a time and 3 to 4 times per day.

The nurse is caring for a client in labor. which assessment findings indicate to the nurse that the client is beginning the second stage of labor? select all that apply.

Answers

There are no options to select. 
signs would include:
Cervix dilated at least 4 or 5 C
Contractions
Water breaking

The most harmful by-product of nuclear energy is:

A:acid rain
B:sulfur dioxide
C:carbon dioxide
D:radioactive waste

Answers

Hi!

The answer is D) Radioactive waste.

Hope this helps!

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What structure forms during angiosperm fertilization but does not form during fertilization among other types of plants?

Answers

The answer is 'triploid cell'. 

This occurs when two sperm nuclei reach the interior of a female gametophyte, where one sperm will fertilise the egg cell to form a zygote, whereas the other usually fuses with the binucleate central cell, forming a primary endosperm cell, effectively constituting an organism separate from the growing embryo. Approximately 70% of angiosperm species have polyploid endosperm cells which are typically triploid (containing three sets of chromosomes), but can vary widely from diploid(2n) to 15n.

Mrs. gray, a 50-year-old mother of seven children, is complaining of dull, aching pains in her legs. she reports that the pain has been getting progressively worse since the birth of her last child. during her physical examination, numerous varicosities are seen in both legs. what pathologic changes have occurred in these veins?

Answers

The answer is; Varicosities are recognized by the enlargement of the veins. Superficial veins are most likely involved because they have little support from surrounding tissues. The veins have become tortuous and dilated because of incompetent valves that allow the blood to pool, stretching the vein walls. The likely cause in this patient's case is her pregnancies, because the enlarged uterus exerts download pressure on groin vessels, restricting return blood flow to the heart.

A patient with single lung transplantation has a body temperature of 99° f, fatigue, shortness of breath, and an oxygen saturation level of 80 percent. which treatment may comfort this patient?

Answers

The patient's symptoms indicate that he probably suffers from acute lung rejection. Acute rejection consists an immune reaction to the tissue introduced into the body and it could happen after a week of the transplant procedure. The patient should be administered corticosteroids, as they have been shown to have anti-inflammatory effects and they could reduce the fever. In addition, the patient should be administered prednisone, which is a synthetic corticosteroid drug very commonly used as a suppressor of the immune system.

Why is it necessary to liquefy air to separate its components?

Answers

It is important to liquefy the air to separate its component because the process of  separating air components requires distillation. To do this process air must be converted to its liquid form. Usually, this is done by filtering first the dust and then cooling the air at very low temperature. The process of separating air components is called fractional distillation. The liquefied air will pass into the bottom of a column. The columns will separate the oil fractions of liquefied air depending on the component in the air.

Which of the following was not a focus for students at Gilbert H. Hood Middle School in their “going green” program? a. wildlife conservation b. waste reduction c. recycling d. energy conservation

Answers

Your answer should be A. Wildlife conservation :) Hope this helps

Correct answer: A). Wildlife conservation

A wildlife conservation was not an aim for the student at the Gilbert H. Hood middle school in their green program. Their main aim was to promote a greener lifestyle that will result in reduced energy cost and reduced carbon emission which would result in decreased environmental pollution and lead to a healthy life.





Analyze the description of photosynthesis. The numbers represent the sentences in the passage and will help you answer the question. (1) Photosynthesis is the process by which plants convert chemical energy to light energy. (2) This process is important in many ways. (3) Photosynthesis is the primary source of oxygen of humans, animals, and plants that contain chlorophyll. (4) Photosynthesis allows the flow of energy from animals to plants. Which corrections should be made to describe photosynthesis accurately? Check all that apply. (1) Light energy and chemical energy should be switched. (1) Chemical energy should be changed to mechanical energy. (3) Plants that contain chlorophyll should not be included. (3) Oxygen should be changed to carbon dioxide. (4) Animals and plants should be switched.

Answers

Answer:

The answer is

1.) Light energy and chemical energy should be switched

3.) Plants that contain chlorophyll should not be included

4.) Animals and plants should be switch

Explanation:

I got the right answers on edg

The following is the corrected description of photosynthesis:

(1) Light energy and chemical energy should be switched. (3) Plants that contain chlorophyll should not be included.(3) Oxygen should be changed to carbon dioxide. (4) Animals and plants should be switched.

What are these photosynthesis descriptions?

The following corrections should be made to the description of photosynthesis accurately:

(1) Light energy and chemical energy should be switched. Photosynthesis is the process by which plants convert light energy to chemical energy, not chemical energy to light energy.

(3) Plants that contain chlorophyll should not be included. All plants that can photosynthesize contain chlorophyll, so this phrase should be removed.

(3) Oxygen should be changed to carbon dioxide. Plants release oxygen as a byproduct of photosynthesis, but they also absorb carbon dioxide.

(4) Animals and plants should be switched. Animals consume plants, and the energy from the plants is transferred to the animals.

Therefore, the following is the corrected description of photosynthesis:

Photosynthesis is the process by which plants convert light energy to chemical energy. This process is important in many ways. Photosynthesis is the primary source of oxygen for humans, animals, and plants. Photosynthesis allows the flow of energy from plants to animals.

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The break-down of complex molecules into simpler ones is called

Answers

phagocytosis is the answer to this one :)

Hich of these facts provides the best support for the hypothesis that plants evolved from green algae? which of these facts provides the best support for the hypothesis that plants evolved from green algae? plants and green algae are photosynthetic. plants and green algae have chloroplasts. the chloroplasts of plants and green algae all have both chlorophyll a and
b.

Answers

all points are correct

The fact that provides the best support for the hypothesis that plants evolved from green algae is that the chloroplasts of both plants and green algae contain both chlorophyll a and b, indicating a close evolutionary relationship in their photosynthetic capabilities. Option C is the answer.

The presence of both chlorophyll a and b in the chloroplasts of both plants and green algae provides strong support for the hypothesis that plants evolved from green algae.

This shared characteristic suggests a close evolutionary relationship between these two groups, as chlorophyll a and chlorophyll b are the primary pigments involved in photosynthesis and are specific to photosynthetic organisms.

While options (a) and (b) are also true for both plants and green algae, the presence of specific chlorophyll types is a more specific and significant indicator of their evolutionary connection. So option C is correct.

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Viruses do not generate by chance. the programmer of a virus, known as a virus author, intentionally writes a virus program. writing a virus program usually requires significant programming skills. the virus author ensures the virus can ____ itself, conceal itself, monitor for certain events, and then deliver its payload. "

Answers

The answer is 'replicate'. Computer viruses, much like normal viruses, exist only to replicate themselves. The illnesses that people feel when they catch a virus, are to facilitate the spread (replication) of the virus, such as a runny nose and sneezing. Viruses are really just packages of genetic material. Richard Dawkins, in his book 'The Selfish Gene', proposes an alternative view of life on Earth: Organisms, including ourselves, are merely vehicles for their DNA, or a way to ensure their DNA is replicated. 

How does the large amount of genetic variation observed in prokaryotes arise? see concept 27.2 (page 576) view available hint(s) how does the large amount of genetic variation observed in prokaryotes arise? see concept 27.2 (page 576) the mutation rate in prokaryotes is much higher than in eukaryotes. they have extremely short generation times and large populations. they can exchange dna with many types of prokaryotes by way of horizontal gene transfer. they have a relatively small genome. the second and third answers are correct?

Answers

The large amount of genetic variation observed in prokaryotes  arise due to: 
Prokaryotes have extremely short generation times and large populations and also that they can exchange DNA with many types of prokaryotes by way of horizontal gene transfer; the short generation times and large population sizes in most prokaryotic species, coupled with their ability to exchange genes, helps to increase genetic variability beyond what we would expect in asexually reproducing organisms.

Final answer:

Genetic variation in prokaryotes is primarily because They have extremely short generation times and large populations and They can exchange DNA with many types of prokaryotes by way of horizontal gene transfer.

Explanation:

The large amount of genetic variation observed in prokaryotes arises through several key mechanisms:

They have extremely short generation times and large populations, which contributes to a higher chance of mutations that can create genetic diversity.Horizontal gene transfer (HGT) is another significant way through which prokaryotes can exchange DNA, not only with closely related species but even with distantly related ones. This occurs through processes such as transformation, transduction, and conjugation.

These factors combined contribute to the rapid evolution of prokaryotes, allowing them to adapt quickly to environmental changes.

A generally cold biome characterized by coniferous evergreen trees is the?

Answers

Answer:
_______________________________________________________
the "taiga" ; also called the "coniferous forest" .
_______________________________________________________

PLS HELP ASAP

What is the difference between a pressurized water reactor in a boiling water reactor?

A) A pressurized water reactor does not use fission
B) A pressurized water reactor boils the water faster
C) A pressurized water reactor does not boil the water
D) A boiling water reactor is heated directly by the core

Answers

The correct answer is option C

A (BWR) boiling water reactor and a pressurized water reactor is a kind of light water reactors that is used to generate electricity.

The main difference between both the reactors is that a pressurized water reactor does not boils the water, the hot water exchanges heat to a low pressure water system which turns on the turbine to produce electric power.

The boiling water reactor boils the water and the steam produced by the water rotates the turbine to produce electricity.

Injecting a person with a killed-bacteria vaccine can protect that individual from disease because the proteins of the bacteria:

Remain in the body and live bacteria later prey on them instead of live tissue.


Bind with receptors in the body, so that live bacteria cannot bind with them later.


Stimulate the production of antibodies which can be manufactured later response to infection.,

Answers

The final answer is the most accurate. When the killed-bacteria are injected into the body, antibodies are then produced as a way of combating these bacteria. When the live bacteria are later found to be in the system, the antibodies are already present and more easily produced as a way of killing off these new invaders quicker.

A plant with the dominant trait, wrinkled seeds, is crossed with a plant that has non-wrinkled seeds. All of the offspring are all wrinkled-seeded. What is the likelihood that the gametes of the wrinkled-seeded parent plant contain one non-wrinkled allele?

Answers

0% none of the gametes carry the gene of the non wrinkled-seeded parent plant.
0% is the answer you are looking for..
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