Question

List 4 functions of the plasma membrane.

Answer 1

Answer:

Plasma membrane is also known as cell membrane which protects every living cells from outside environments.

• Plasma membrane composed of phospholipids bilayer embedded with highly charged molecules such as proteins and carbohydrates.
• Plasma membrane is selective in nature to ions (organic molecules) and regulates the movements of substances inside and outside of the cells. (regulates the transport of substances)
• Plasma membrane keeps out toxic substances from the cell acting as a barrier.

• They contain receptors and channels which allow specific molecules such as ion, nutrients, metabolic products, that mediate the extracellular and cellular activities.