Q5.10. Suppose there is a mutation in an E. coli cell that causes CAP (the activator protein for the lac operon) to be unable to bind to its activator site. What effect would this have on the cell? O The lac genes would never be expressed at a high level. Expression of the lac genes would not depend on lactose presence or absence. O The lac genes would be expressed at very low levels or not at all. O The lac genes would be expressed at a high level, as long as lactose is present.

Question
Q5.10. Suppose there is a mutation in an E. coli cell that causes CAP (the activator protein for
the lac operon) to be unable to bind to its activator site. What effect would this have on the cell?
O The lac genes would never be expressed at a high level.
Expression of the lac genes would not depend on lactose presence or absence.
O The lac genes would be expressed at very low levels or not at all.
The lac genes would be expressed at a high level, as long as lactose is present.
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Transcribed Image Text

Q5.10. Suppose there is a mutation in an E. coli cell that causes CAP (the activator protein for the lac operon) to be unable to bind to its activator site. What effect would this have on the cell? O The lac genes would never be expressed at a high level. Expression of the lac genes would not depend on lactose presence or absence. O The lac genes would be expressed at very low levels or not at all. The lac genes would be expressed at a high level, as long as lactose is present.

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