Which of the Following Is True Regarding the AraBAD Operon

question 7

Multiple Choice

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

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