The absorption of light by a rhodopsin molecule in a rod cell initiates a signal cascade beginning with the
A) opening of a sodium channel.
B) closing of a large number of sodium channels.
C) formation of an activated phosphodiesterase molecule.
D) activation of transducin molecules.
E) activation of other rhodopsin molecules.
Correct Answer:
Verified
Q197: Refer to the figure. Q198: Which sensory structure provides mammals with information Q199: The sound of a bird singing activates Q200: Which of the following does not characterize Q201: Which statement about the differences between rods Q203: Disruption of G proteins and second messengers Q204: _ are generated in the stretch receptor Q205: Tigers hunt at night, so we would Q206: Which statement about accommodation is false? Q207: If the normal activity of cone cells![]()
A) Accommodation
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