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asmi
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02/20/04 - 12:44 AM       #1

At the molecular leveI, which of the following components is essential for the first step of the visual cascade?

/ A. 11-cis-retinal
/ B. AII-cis-retinal
/ C. AII-trans-retinal
/ D. Meta-rhodopsin ll
/ E. Rhodopsin

jb00727
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Posts: 190
02/20/04 - 01:15 AM       #2

A

asmi
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Topics: 1043
Posts: 4,609
02/20/04 - 01:51 AM       #3

correct









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