Multiple Choice
The expression of the lac structural genes is _______ when lactose is absent from the culture medium and is _______ when lactose is added, because lactose binds to the _______ and inactivates it.
A) low; high; lac repressor
B) high; low; lac inducer
C) low; high; lac promoter
D) high; low; lac operator
E) low; high; lac operator
Correct Answer:
Verified
Correct Answer:
Verified
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