You measure the membrane potential in two types of non-excitatory cell (i.e., no

Question

You measure the membrane potential in two types of non-excitatory cell (i.e., not a neuron or a muscle cell), and you find that it differs between the two cell types. What most likely contributes to this?

a. difference in concentration of ions inside and outside the two cell types

b. difference in the numbers of membrane K+ and Na+ channels between the two cell types

c. difference in glucose transport between the two cell types

d. difference in activity of voltage-gated ion channels between the two cell types

WHY?

Explanation / Answer

d. difference in activity of voltage-gated ion channels between the two cell types

These voltage gated channels are induced in reposnse to a threshold voltage that is received by a excitatory cell.

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