Which of the following is true regarding the araBAD operon?
A) binding of arabinose causes dimerization of AraC allowing it to bind to araO2 and araI1
B) when bound to arabinose, the AraC dimer must also bind to a CAP-cAMP dimer for translation to occur
C) expression of araC occurs in concert with the expression of araB, araA and araD
D) AraC bound to arabinose can bind to CAP regardless of whether or not cAMP is present
E) none of the above
Correct Answer:
Verified
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