Question

1. How do substances like Co, and
water move in and out of the cell?
Discuss.
2. Why is the plasma membrane
called a selectively permeable
membrane?​

Answer 1

Answer:

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Answer 2

Answer:

ans1. The substances like CO2 and water move in and out of a cell by diffusion from the region of high concentration to low concentration. When the concentration of CO2 and water is higher in external environment than that inside the cell, CO2 and water moves inside the cell.

ans2. plasma membrane called selectively permeable membrane because it regulate the movement of substance in and out of the cell. this means that the plasma membrane allow the entry of only some substance.

Explanation:

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