Question

1. How do substances like co, andwater move in and out of the cell? Discuss.

2. Why is the plasma membrane called a selectively permeable membrane?​

Answer 1

Explanation:

01. By Diffusion, The CO2 and water Is went inside when the cell has low concentration..

02. Because this membrane allows only the substances which are useful for cell and it allows only some substances pass inside the cell. It blocks some unwanted substances. Hence, it is called as selectively permeable membrane..

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Answer 2

Answer:

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.

A cell or plasma membrane is called"selectively permeable" because it isselective about what it allows to pass through it.