Question

why plasma membrane called a semi permeable membrane​

Answer 1

Answer:

Plasma membrane is also known as semi permeable as it allows certain molecules to pass through it while stopping others. It protects intracellular organelles from the outside environment. It selectively allows the molecules to move in and out of the cell.

Answer 2

Answer:

• Plasma membrane has an important function of regulation of material in and out of the cell.

• It allows only specific substances in and out of the cell.

• It helps in intake of molecules by active or passive absorption.

• Thus, it acts as a semi-permeable membrane.