Multiple Choice
The tryptophan (trp) operon is turned on (i.e.gene expression occurs) when:
A) there is a great deal of tryptophan in the cell
B) there is a lack of tryptophan in the cell
C) the trp operon is always turned on
D) the trp operon is always turned off
Correct Answer:
Verified
Correct Answer:
Verified
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