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.

Identify the components and functions of self-regulation systems.

Recognize the role of action identification and construal level theories in goal setting and task approach.

Comprehend the principles of affective forecasting and its impact on emotional expectations.

Describe the concept of ego depletion and its effect on self-control.

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Definitions:

Amniocentesis

A medical procedure in which a small amount of amniotic fluid is sampled from the amniotic sac to test for fetal abnormalities.

Small Molecules

Low molecular weight organic compounds that can regulate biological processes, often used as pharmaceuticals.

Living Units

Spaces or environments designed for habitation or residence of living organisms, including humans, animals, or plants.

Cell Membrane

The cell membrane is a biological membrane that separates the interior of all cells from the outside environment, controlling the movement of substances in and out of cells.