Question

question 10
which statement best describes the plasma membrane of a living plant cell?
the plasma membrane of a plant cell is

a composed of two layers of proteins with floating molecules of lipids only

b designed to allow certain substances to enter and certain substances to exit the cell

c composed of two layers of proteins and carbohydrates only

d designed to allow for the free flow of all protein substances to move into and out of the cell

Explanation:

The plasma membrane of a plant cell is selectively permeable, allowing certain substances to enter and exit while restricting others. It is primarily a phospholipid bilayer with embedded proteins and carbohydrates, not composed solely of proteins or allowing free flow of all substances.

Answer:

b. designed to allow certain substances to enter and certain substances to exit the cell.