Which statement best describes the plasma membrane of a living plant cell?
The plasma membrane of a plant cell is
a
designed to allow for the free flow of all protein substances to move into and out of the cell.
b
composed of two layers of proteins with floating molecules of lipids only.
c
composed of two layers of proteins and carbohydrates only.
d
designed to allow certain substances to enter and certain substances to exit the cell.
d) designed to allow certain substances to enter and certain substances to exit the cell.
The correct statement is:
d) designed to allow certain substances to enter and certain substances to exit the cell.