Multiple Choice
The genetic basis for the circadian cycle involves a loop of gene activity: the Clock/Bmal1 complex turns on the activity of both per and cry genes; products from these bind with a protein product of the tau gene; the per/cry/tau complex suppresses the action of the Clock/Bmal1 complex, etc. This cycle takes about _____ hour(s) to complete.
A) 1
B) 4
C) 12
D) 24
Correct Answer:

Verified
Correct Answer:
Verified
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