It maintains a concentration gradient necessary for nerve impulse transmission. In the context of membrane transport, what is the significance of the sodium-potassium pump?

A.
A. It maintains a concentration gradient necessary for nerve impulse transmission
B.
B. It transports glucose into red blood cells.
C.
C. It is responsible for the diffusion of oxygen across the cell membrane.
D.
D. It moves sodium and potassium ions into the cell simultaneously.
Biology
AP
College Board
Exam No:AP Biology Problem Set 4 Year:2024 Question No:AP Biology2024AP0331

Answer:

A

Knowledge points:

2.3 Cell Size

Solution:

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