What is the main function of the cell wall?a. store carbohydrates for later use
b. provide rigid structure for cell
c. package proteins for export
d. carry out photosynthesis

Answers

Answer 1

Answer: The answer is, A.Stores carbohydrates for later use hope this answer helps you.

Related Questions

List three signiﬁcant differences between meiosis I and meiosis II
When an animal starts breaking down body fat to compensate for a caloric deficiency in its diet, ______________are released into the bloodstream.A. ketones B. monosaccharides C. polysaccharides D. amino acids
What is the main difference between aerobic respiration and anaerobic respiration
Animals eat and digest food to obtain the energy available for life activities. Discuss energy use inanimals. In your discussion, be sure to:State one inference that can be made concerning a cell that has many of these organelles
2. Which of the following do all animals not need to do in order to survive___. A. capture prey.B. obtain oxygen. C. eliminate waste. D. avoid predators. 3. How would having a prehensile tail help a tree-dwelling chameleon? A. Its tail would help it grasp branches. B. Its tail would help it capture food. C. Its tail would help it balance in the treetops. D. Its tail would help it maintain homeostasis.

A person with blood group A produces antibodies againstb. A person with blood group B produces antibodies against
a. A person with blood group AB produces no antibodies. How can you explain this?

Answers

This is simply a protective mechanism of the body. A person with blood group A will produced antibodies against blood group B because group B cells are considered foreign bodies to the person and will not be tolerated and vice versa. Group B people have antibodies against group A and will not tolerate group A cells. This is why group A person can only be transfused with group A blood or group O blood. Both A and B have no antibodies against blood group O. Indeed no blood group has antibodies against Blood group and this is why people with blood group O are called universal donors.

Group AB people do not have antibodies against any blood group because both these groups are part and parcel of their body and production of antibodies against either A or B would end up in self destruction of the body. Group AB people are known as universal recipients because they can receive blood from any of the other groups.

The most easily polluted groundwater reservoirs are A. sewage plant reservoirs.
B. water-table aquifers.
C. salt reservoirs.
D. artesian wells.

Answers

The right option is B. water-table aquifers

Water-table aquifers are underground layer of water whose water table is at atmospheric pressure and is not below a confining layer. Water-table aquifers are susceptible to drought conditions and pollutants because they are usually closer to the earth's surface. Water-table aquifers can be polluted by naturally occurring mineral and metallic deposits in rock and soil, manufactured chemicals such as fertilizers, and dumps or landfills. When ground water pollutants reach a water-table aquifer, they make the water unclean and unusable for decades.

Water-table aquifers

Further Explanation:

Water-table aquifers are more susceptible to pollution. The water table is the specific part of groundwater, whereas aquifers are the entire portion of groundwater of an area. Aquifers are a large storehouse of water-bearing rocks, gravel, sand, and silt. The water content of the aquifers keeps on changing with seasons. Three different types of water aquifers are present, which are confined, unconfined, and semi-confined.

The groundwater resources are more prone to pollution due to agricultural waste, landfills, hazardous chemicals, and atmospheric pollutants. Human activities are responsible for groundwater pollution. The chemicals and toxic waste can be accidentally or intentionally released in the groundwater. The porosity and permeability of soil allow the contaminants to reach with an ease to aquifers. The pollutants can move to the underground through the root system and animal burrows also. If any river or stream is present nearby the contaminated groundwater, then the risk of river contamination is very high. Some naturally occurring substances like decaying organic matter moves towards the groundwater and change the taste, color, and odor of the water.

Learn more:

1. Learn more about physical fitness brainly.com/question/1027368

2. Learn more about physical activity leading to physical fitness brainly.com/question/4218854

3. Learn more about the effect of wild dogs on rabbit population brainly.com/question/4869455

Answer details:

Grade: High school

Subject: Biology

Chapter: Water pollution

Keywords:

Groundwater, pollutants, toxic, human activities, root system, aquifers, confined, semi-confined, unconfined, contamination.

Name 3 things you've done that have shown initiative

Answers

Final answer:

The answer provides examples of personal behaviors influenced by circumstance, such as stepping up to lead a school project, initiating a neighborhood clean-up, or proposing a solution to a consistent problem at work.

Explanation:

This question pertains to personal experiences where your behavior was influenced by a situation. Since the question is asking for personal instances, hypothetical examples could be as follows:

Project Leadership: One situation may be at a group project in school where no one was taking charge, and you stepped up to become the project leader. This initiated an organized structure and helped the group succeed.
Community Service: Maybe there was a time that your local community park was full of litter, and you initiated a clean-up drive and encouraged your neighbors to participate.
Problem-solving at work: Another example might be when you discovered a consistent issue at your part-time job and took the initiative to develop and propose a solution to your manager.

Learn more about Initiative here:

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Theophrastus was considered the "Father of Botany" in the approximate year _____.

Answers

300BC was the approximate year.

Answer:

the answer should be 300 B.C.

Explanation:

What fraction of the fossil fuel emissions in the United States could be absorbed by converting 25% of agricultural land in the U.S. to native forests?

Answers

The correct answer for the question that is being presented above is this one: "B. Approximately 20 %" The fraction of the fossil fuel emissions in the United States that could be absorbed by converting 25% of agricultural land in the U.S. to native forests is 20%.

Here are the following choices:
A. approximately 10 %
B. Approximately 20 %
C. approximately 30 %
D. Approximately 40 %

approximately 20%

____________________________

*100% CORRECT ANSWERS

Question 1

The principal characteristic that differentiates temperate and tropical rainforests is __________.

latitude

Question 2

Which of the following are important products of rainforests?

all of the choices

Question 3

Which of the following best describes the use of rainforest plants as anticancer drugs?

Twenty-five percent of the active ingredients in cancer drugs are exclusively rainforest plants.

Question 4

Which of the following is the most direct method for combating rainforest deforestation?

rehabilitation

Question 5

The sustainable use of rainforest resources is exemplified by _______.

harvesting nuts

Question 6

Which of the following best describes the impact of rainforest deforestation on global precipitation?

The pattern of global precipitation is altered.

Question 7

A forester is _______

a person who manages and supervises land used for timber production

Question 8

Which of the following is a technology used by foresters?

all of the choices

Question 9

Even-aged management practices involves clearing trees that _______.

are all near the same age

Question 10

Which of the following forest management practices is best for reestablishing areas of forest?

reforestation

Question 11

How do trees act as carbon sinks?

all of the choices

Question 12

How does the destruction of forests contribute to levels of atmospheric carbon?

Fewer trees leads to smaller amounts of carbon dioxide being absorbed from the atmosphere.

Question 13

What fraction of the fossil fuel emissions in the United States could be absorbed by converting 25% of agricultural land in the U.S. to native forests?

approximately 20%

Question 14

Why is clearcutting an especially damaging forestry practice for species that rely upon older trees for their survival?

Clearcutting removes all trees in a stand, old and young.

A species is a group of organisms capable of mating and producing offspring, and speculation is the process of forming a new species. One way a new species may form is by geographic isolation. This occurs when members of a population are physically separated, for example, by a river, or a desert. After the separation the two populations, responding to different conditions, will adapt differently, and so their evolutionary paths willa. converge.
b. dissect.
c. diverge.
d. reverse.

Answers

The answer is c. diverge.

When a new species form by geographic isolation, it is called geographical speciation or allopatric speciation. In this case, divergence evolution occurs. This is because of physical separation which prevents gene flow between distinct populations. These populations will eventually diverge and members of the populations, which once belonged to the same species, will no longer be able to mate and produce offspring. Eventually, the formation of new species will occur.

a. Diverge, is the answer to the question.

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Which of the following is true of RNA compared to DNA?a. It lacks phosphate groups. b. It is a single-stranded molecule.c. Its nucleotides do not have sugars.d. It contains four different nucleotides.

Oogonia are found in the ovary ________. oogonia are found in the ovary ________. during fetal development and childhood until puberty during childhood until puberty primarily during fetal development throughout the female's lifetime

Which of the following features differentiates sporozoans from the other phyla of protozoans?A. Sporozoans lack locomotor organs. B. Sporozoan are parasitic. C. Sporozoans are capable of sexual reproduction.