Question

1. What is the primary function of a selectively permeable membrane in a cell?

OA. to control the temperature inside the cell
OB. to prevent the passage of all substances into the cell
OC. to allow all substances to freely enter and exit the cell
D. to regulate the entry and exit of specific substances based on the cell's needs

Answer 1

The primary function of a selectively permeable membrane in a cell is to regulate the entry and exit of specific substances based on the cell's needs.

Step-by-step explanation:

The primary function of a selectively permeable membrane in a cell is to regulate the entry and exit of specific substances based on the cell's needs. This means that the membrane allows certain substances to pass through while preventing the passage of others. The membrane achieves this selectivity through various mechanisms such as protein channels and transporters. For example, a cell may need to allow the entry of nutrients and ions while restricting the exit of important molecules or waste products.

Learn more about Selective permeable membrane in cells