Form and Function B.3 Membranes & Membrane Transport (id: e9cf0653c)

本题目来源于试卷: Form and Function B.3 Membranes & Membrane Transport，类别为 IB生物学

[问答题]
Neuronal cells have special memba)mk pr.76ue/qb(o ierane properties that allow their ayikbhz 5 7wy) r5u+wa:xons to propagate action potential from one cell to another. The diagram below sh h+ 7)5y:baw5ukw iyzrows a portion of an axonal plasma membrane.

1.1.State the role of a sodium-potassium pump in axon.
1.2.Describe the action of the sodium-potassium pump.
2.Distinguish between simple diffusion, facilitated diffusion and active transport.
3.Compare and contrast sodium-potassium pumps and potassium channels.

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