Multiple Choice
Which statement regarding the transduction mechanism in vision is true of both vertebrates and invertebrates?
A) G proteins activate cGMP phosphodiesterase.
B) Light triggers the conversion of cis retinal to trans retinal.
C) Cation channels are opened and Na+ enters the photoreceptor membrane.
D) Second messengers IP3 and DAG are synthesized.
Correct Answer:

Verified
Correct Answer:
Verified
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