The lac repressor has which of the following DNA-binding motifs?

The lac repressor has which of the following DNA-binding motifs? Correct Answer H-T-H motif

The lac repressor has H-T-H DNA-binding motifs. The lac repressor is a tetramer. It contains two dimers tethered together. Hence, in total it has 4 H-T-H DNA-binding motifs.
Bissoy MCQ

Related Questions

Consider the following statements and choose the correct answer:
1. The structural genes direct the synthesis of cellular proteins through messenger RNA (mRNA)
2. The promoter gene determines whether or not the structural genes are to be repressed by the repressor
3. The regulator gene directs the synthesis of a protein which may be an active repressor or an inactive repressor
In a mero-diploid you have one I- and one I+ Repressor gene in the two lac operons. I+ is wild type while I- is a mutant which produces a repressor that doesn’t bind. What would be the functionality of the diploid?
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A and B jointly owe Rs. one lac to C. A alone pays the whole amount to C. B not knowing the fact of payment by A pays Rs. one lac over again to C. Is C bound to repay Rs. one lac to B.
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I. LAC curve for a normal production function
II. LAC curve for a linear production function
III. Planning curve
IV. Envelope curve
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