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vredina [299]
3 years ago
12

What are the two primary roles of the cell membrane?

Biology
1 answer:
Marizza181 [45]3 years ago
7 0

Answer:

(1) they keep toxic substances out of the cell; (2) they contain receptors and channels that allow specific molecules, such as ions, nutrients, wastes, and metabolic products, that mediate cellular and extracellular activities to pass between organelles and between the cell and the outside environment

Explanation:

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A plant will wilt if it does not have enough water in the ____ of its cells
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Central vacuole. That is the part of the plant that stores most of the water. It is the really large sac you can see in plant cells but  you don't see it in animal cells:) 
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Build a medical term from the information provided.
Makovka662 [10]

Answer:

sinusitis

Explanation:

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Other symptoms are runny nose, headache, nasal congestion and facial pain.

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_______________ transport moves substances from an area of high concentration to an area of low concentration.
tekilochka [14]

Answer:

It is active. The person above me is wrong. Trust me.

Explanation:

6 0
3 years ago
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Kryger [21]
A) recessive alleles are only expressed when the offspring is homogenous recessive for the trait (as in, both inherited alleles are recessive)
4 0
3 years ago
Which of the following stages of cellular respiration involve cytochromes?
larisa86 [58]

Answer:

A. III only

Explanation:

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