Proton pumps embedded in the cell membrane use ATP to move hydrogen ions across the membrane. Which of the following best describes a function of the proton pump? A. It decreases the pH inside the cell to prevent toxicity. B. It generates a voltage across the membrane as a way to store energy. C. It helps maintain homeostasis by absorbing electrical charges. D. It increases the fluidity of the cell membrane as energy is used.
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Proton pumps embedded in the cell membrane use ATP to move hydrogen ions across the membrane. Which...
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