Multiple Choice
Type I rhodopsins:
A) are only found in prokaryotes.
B) are converted from 11-cis to all-trans retinal isomers by light.
C) can be used experimentally either to photo-activate or -inactivate mammalian neurons.
D) are closely related to type II rhodopsins in sequence and structure.
E) All of the above
Correct Answer:

Verified
Correct Answer:
Verified
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