Proteins use the process of active transport to move substances in or out of the cell by:

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Quizplus · Accepted Answer

Proteins use active transport to move substances across the cell membrane by opening passages in the membrane and escorting them into the cell. This requires the use of energy and specialized proteins, such as pumps and channels, to move substances against their concentration gradient. The process of active transport is essential for many cellular functions, including nutrient uptake, waste removal, and cell signaling.

Proteins Use the Process of Active Transport to Move Substances