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20 Sep 2018
a. Suppose you isolated a mutation in the CRP gene that results in the production of a CRP protein that cannot bind cAMP. What effect would such a mutation have on expression of the lac operon in the presence versus the absence of lactose (assume that glucose is absent in both cases)?
Answer:
b. Suppose you isolated a different mutation in the CRP gene that results in the production of a CRP protein that binds to the CRP-binding site in the lac promoter even when there is no cAMP available. What effect would this mutation have on expression of the lac operon in the presence versus the absence of lactose, if glucose were also available in both cases?
Answer:
a. Suppose you isolated a mutation in the CRP gene that results in the production of a CRP protein that cannot bind cAMP. What effect would such a mutation have on expression of the lac operon in the presence versus the absence of lactose (assume that glucose is absent in both cases)?
Answer:
b. Suppose you isolated a different mutation in the CRP gene that results in the production of a CRP protein that binds to the CRP-binding site in the lac promoter even when there is no cAMP available. What effect would this mutation have on expression of the lac operon in the presence versus the absence of lactose, if glucose were also available in both cases?
Answer:
Reid WolffLv2
20 Sep 2018