For a repressible operon to be transcribed, which of the following must be true? Options: A . &nbspA corepressor must be present. B . &nbspRNA polymerase and the active repressor must be present. C . &nbspRNA polymerase must bind to the promoter, and the repressor must be inactive and not blocking the promoter region. D . &nbspRNA polymerase cannot be present, and the repressor must be inactive.

For a repressible operon to be transcribed, which of the following must be true

Question

For a repressible operon to be transcribed, which of the following must be true?

Options:

A . A corepressor must be present.

B . RNA polymerase and the active repressor must be present.

C . RNA polymerase must bind to the promoter, and the repressor must be inactive and not blocking the promoter region.

D . RNA polymerase cannot be present, and the repressor must be inactive.

Answer: Option C

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