Work done by elucidated changes in membrane permeability that underlie an action potential. a. Alan Hodgkin and Bernard Katz b. Alan Hodgkin and Andrew Huxley c. Walther Nernst d. Kenneth Cole e. David Goldman
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1. a. The action potential changes the membrane potential from ..................... mV (resting) to .....................mV and back again to the resting membrane potential. b. This results from a change in membrane permeability first to ............. and then to ........................., due to the opening of what type of ion channels?
Sri K.
A change in the resting membrane potential that brings the membrane potential closer to 0 mV is called a(n): Select one: Repolarization Hyperpolarization Depolarization After hyperpolarization Action potential
Adi S.
The correct sequence for depolarization and repolarization is (A) Stimulus applied at a site on polarized membrane (B) Increase the permeability for $\mathrm{Na}^{+}$ (C) Generation of A.P.(Action Potential) (D) Increase the permeability for $\mathrm{K}^{+}$ (E) Restoration of membrane potential (a) $\mathrm{A} \rightarrow \mathrm{B} \rightarrow \mathrm{C} \rightarrow \mathrm{D} \rightarrow \mathrm{E}$ (b) $\mathrm{B} \rightarrow \mathrm{A} \rightarrow \mathrm{C} \rightarrow \mathrm{D} \rightarrow \mathrm{E}$ (c) $\mathrm{A} \rightarrow \mathrm{D} \rightarrow \mathrm{C} \rightarrow \mathrm{B} \rightarrow \mathrm{E}$ (d) $\mathrm{A} \rightarrow \mathrm{B} \rightarrow \mathrm{D} \rightarrow \mathrm{C} \rightarrow \mathrm{E}$
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