Which molecules help control movement of substances through cell membranes


Asked by maham237 @ in Biology viewed by 294 People


Which molecules help control movement of substances through cell membranes? carbohydrates ATP DNA proteins

Answered by maham237 @



Answer;

-Proteins

Explanation;

-Proteins embedded in the cell membrane help control which substances exit and enter the cell. Channel proteins allow molecules to move from high concentration to low concentration.

-Cell is a fabulous machine that tightly controls what enters and exits. Part of how it does this is through a specialized cell membrane that only lets very small, hydrophobic molecules pass directly through it. Other molecules however, need a helper to get through the membrane, these molecules are called protein carriers.


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