Question

Why is the plasma membrane called selectively permeable?

Answer 1

Answer:

heyh

Explanation:

Plasma membrane called a selectively permeable membrane because it regulates the movement of substances from within to outside of the cell. This means that the plasma membrane allows the entry of some substances while preventing the movement of some other substance.

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Answer 2

Explanation:

plasma membrane is the outer covering of cell .

1. it helps to separate the cells from each other .
2. it is made of lipids and proteins .
3. it is having small pores on it for transportation of useful material. it only allows selective materials to go , not to all .

for example :

like excrete , waste product of the cell to go out of the cell and any unknown thing or material can't enter through it .

that is why it is called selectively permeable membrane .

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