asked 6.8k views
5 votes
If glucose is absent, but so is lactose, the lac operon will be ________.

activated
repressed
activated, but only partially
mutated

asked
User Spinkus
by
8.4k points

2 Answers

3 votes

Answer:

Activated

Step-by-step explanation:

answered
User JensV
by
8.7k points
3 votes

Answer:

Activated

Step-by-step explanation:

In the presence of lactose, and in the absence of glucose, lactose will bind to a protein called a "repressor," deactivating it. Through this, RNA polymerase has a free way to synthesize the mRNA that will give enzymes for lactose degradation.

answered
User Peter Torr
by
8.0k points
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