The figure illustrates changes in the membrane potential during an action potential. What does "E" represent?
A. Local potential
B. Depolarization
C. Repolarization
D. Afterpotential
E. Threshold
Answer: D
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A) intrinsic. B) extrinsic. C) automaticity. D) self-replicating. E) self-starting.
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A) sequence of the nucleotides B) three-dimensional structure of the double helix C) arrangement of the histones D) regular alteration of sugar and phosphate molecules
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A) internal carotid artery. B) vertebral artery. C) external carotid artery. D) vertebral vein. E) cephalic vein.