Which of the Following Statements About the Na⁺-K⁺ Pump Is

question 114

Multiple Choice

Which of the following statements about the Na⁺-K⁺ pump is correct?

• A) Phosphorylation of the pump must occur before Na⁺ can attach to its binding site.
• B) It has ATP synthase activity.
• C) It helps decrease Na⁺ and K⁺ concentration gradients across the plasma membrane.
• D) It regulates cell volume by controlling the concentration of solutes inside the cell.
• E) It is a countertransporter for secondary active transport.

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Definitions:

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Cataract

A medical condition where the lens of the eye becomes cloudy, leading to decreased vision and, if untreated, potentially blindness.

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the human visual system's ability to recognize the brightness of an object regardless of the amount of light it reflects.

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The perceptual phenomenon in which the colors of objects appear largely unchanged under varying lighting conditions.