Question

What is the role of proteins and lipids in the plasma membrane?

• A. They provide flexibility to the plasma membrane.
• B. They provide impermeability to the plasma membrane.
• C. They provide porocity to the plasma membrane.
• D. They provide softness to the plasma membrane.

Answer 1

The correct option is A They provide flexibility to the plasma membrane.

Cell membrane has a lipid bilayer and protein molecules studded in between. It provides the fluid character to the membrane. It also provides flexibility to the membrane. Flexibility is necessary for the membrane to perform endocytosis, exocytosis, etc.

Hence the correct option is A.