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Anna71 [15]
4 years ago
8

Which portion of the cell membrane is responsible for preventing unwanted materials from entering the cell?

Biology
1 answer:
kati45 [8]4 years ago
8 0
Lysosomes, dead organelles, waste products and other unwanted substances are removed through lysosomes
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3 years ago
What happens when the cycling of matter in ecosystems is disrupted
V125BC [204]

Answer:

When cycling of matter in the ecosystems is disrupted, the whole ecosystem will be adversely affected. Matter includes living organisms such as plants, animals and microorganisms while non living things such water, air and nutrients etc. If plants are removed from the ecosystem system, then the whole ecosystem is destroyed because plants are the producer which make food for herbivores. These herbivores are eaten by carnivores and so on.

5 0
3 years ago
What is the role of your kidneys in compensating for low levels of oxygen
TEA [102]

Explanation:

When there are low oxygen levels in blood, the blood pH tends to lower. This is because there is an increased level of carbon dioxide in the blood that is converted to carbonic acid by carbonic anhydrase. When carbon acid dissociates, into H⁺ and HCO₃⁻ . The H⁺ influences the increase in acidity of the blood.   The kidneys will excrete most of the H⁺ and retain most of the HCO₃⁻ to help maintain the right blood pH. However, most of blood pH homeostasis is maintained largely by the lungs.

Learn More:

For more on function of kidneys check out;

brainly.com/question/1285333

brainly.com/question/909694

#LearnWithBrainly

4 0
4 years ago
At the beach, John noticed that much of the sand had been eroded by the wind.
Masja [62]

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A. plant vegetation on the beach

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3 years ago
A group of students is walking in the park, and one of them takes a picture of a pollen grain that is being blown by the wind. W
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Gene flow at work

Explanation:

4 0
3 years ago
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