A certain enzyme is synthesized whenever the solution in which cells are growing contains substance X.This phenomenon is most likely an example of a(n) _______ system.
A) positive
B) inducible
C) repressible
D) negative
E) positive-negative
Correct Answer:
Verified
Q153: In the lac operon system, CRP acts
Q154: Which situation is least likely to occur
Q155: A protein is found in high concentrations
Q156: The binding of the inducer to the
Q157: The repressor protein in the lac operon
Q159: With regard to the lac operon, high
Q160: TATA boxes are
A) found in eukaryotic promoters.
B)
Q161: The outer shell of a virus is
Q162: Which term would be associated with
Q163: The helix-turn-helix motif is found in
A) DNA.
B)
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