Question

Plasma membrane is made up of

• A. A protein, a lipid and a cellulose layer
• B. Bimolecular lipid layer surrounded by protein layers
• C. A protein layer between two lipid layers
• D. A lipid layer between two protein layers

Answer 1

Answer:

B. Bimolecular lipid layer surrounded by protein layers

• Plasma membrane is composed of bimolecular lipid layer which is surrounded by a protein layer.

• It regulates the transport of materials entering and exiting the cells.