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Which out of the following statements is true about gene regulation in bacteria?

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Which out of the following statements is true about gene regulation in bacteria?

(a) Repressor protein blocks transcription by binding to operator sequence

(b) Activator proteins bind near promoters and increase the efficiency of transcription

(c) Enhancers commonly regulate transcription

(d) Genes with related functions are often grouped together and have a single start codon

The question was posed to me in an interview for job.

My question is taken from Regulation of Transcription by Steroid Hormones topic in division Biosignalling of Biochemistry

1 Answer

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Best answer
Correct choice is (a) Repressor protein blocks transcription by binding to operator sequence

The best explanation: A repressor binds at operator element and regulates transcription negatively.

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