One function of the specialized protein channels in a cell membrane is to:
A)Selectively allow substances to enter or leave the cell
B)Provide oxygen and nutrients for the cell
C)Package neurotransmitters
D)Form an impermeable barrier to all substances foreign to the cell

Question

Quizplus · Accepted Answer

Specialized protein channels in a cell membrane serve as selective gates that permit specific molecules to enter or exit the cell, depending on the needs of the cell. This helps to control the flow of substances in and out of the cell and maintain the appropriate internal environment for the cell to function properly.

One Function of the Specialized Protein Channels in a Cell