Carrier proteins are also called ______.

A) passive transport
B) active transport
C) aquaporins
D) pores
E) transporters

Carrier Proteins

Proteins involved in the movement of ions, small molecules, or macromolecules, such as glucose, across a cell membrane.

Aquaporins

Membrane proteins that serve as channels in the transfer of water, and sometimes small solutes across the cell membrane.

Active Transport

The movement of substances across cell membranes against their concentration gradient, requiring energy expenditure by the cell.