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Charra [1.4K]
3 years ago
13

Describe the functions of the cell membrane and cell wall

Biology
1 answer:
wolverine [178]3 years ago
3 0

Answer:

cell membrane: provides protection for a cell . It also provides a fix environment inside the cell and the membrane has several different fonctions . One is to transport nutrients into the cell and also transports toxic substance out of the cell.

cell wall: cell wall is a structual layer sorrounding some types of cells , just outside the cell membrane . it can be tough , flexible ,and sometimes riding. it provides the cell with both structual support and protection , and also acts as a filtering machine.

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T the correct answer.
olga2289 [7]

Answer:

False

Explanation:

Eukaryotes along with some prokaryotes also perform the process of photosynthesis. Photosynthesis needs chloroplast and it is also found in some of the prokaryotes.

Prokaryotes are primitive cells but they do have organelles like mitochondria and chloroplast.

Photosynthesis is the process by which glucose is made in the presence of sunlight out of which oxygen is released into the environment and carbon dioxide from the environment is used.

5 0
3 years ago
In order to obtain energy animals must do what
Svetach [21]
Animals have Mitochondria that use the sugars provided by plants to produce their own cellular energy :)
6 0
4 years ago
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Do you need to know if this organism grows anaerobically? if so, why? how would you determine if this organism grows anaerobical
snow_lady [41]
It is important to determine or know whether an organism is aerobic or anaerobic because from there you would be able to know the perfect conditions for the organism to grow and reproduce. If you are culturing the organism you would need if it needs oxygen and how much of oxygen is needed. Anaerobic organisms does not need the presence of oxygen in order to grow. You can determine an organism that is anaerobic by trying to put them in conditions that dos not have oxygen. After a few hours or days, when you observe that more organisms are present, then most likely it is an anaerobic organism.<span />
7 0
3 years ago
Society expects to follow ethical practices and meet many ethical standards. Which is an example of one of those ethical standar
Dvinal [7]

<u>ANSWER:</u>

"Publish experiment results only if they agree with current theories or public opinion" is an example of society which expects to follow ethical practices and meet many ethical standards. .

<u>EXPLANATION:</u>

  • It is important for researchers to ensure that they conduct experiments on the basis of true and desirable data so that the results of the experiment can be accurate.
  • Research ethics also require that experiments be undertaken only under favorable conditions and not under all circumstances.
  • Sometimes, it is required not to conduct experiments and therefore researchers must refrain from the same.
  • It is also essential as per research ethics for researchers to analyse data correctly and investigate all events and not only events that impact the lives and livelihood of people.
  • Researchers need to conduct their experiments without any bias.
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3 years ago
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Why do mutations make such a large contribution to bacterial genetic variation?
pav-90 [236]
They are rare, but can significantly increase genetic diversity when reproductive rates are high<span>
</span>
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