NEET BIOLOGY

Detailed explanation-1: -All cells have an outer plasma membrane that regulates not only what enters the cell, but also how much of any given substance comes in.

Detailed explanation-2: -The cell membrane, also called the plasma membrane, is found in all cells and separates the interior of the cell from the outside environment. The cell membrane consists of a lipid bilayer that is semipermeable. The cell membrane regulates the transport of materials entering and exiting the cell.

Detailed explanation-3: -In its role as gatekeeper, the cell membrane regulates molecular traffic into and out of the cell via specialized membrane proteins. Ion channels, proteins that span the cell membrane, are a prominent example.

Detailed explanation-4: -Cell membrane The cell membrane encloses the cell. It acts like a gatekeeper-allowing some materials to pass through it, but not others. throughout the cytoplasm are Word Watch! Cell wall This outer barrier provides extra support for the cell and gives it a shape.