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Cellular and Molecular Biology

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Positive Repressible Gene Regulation

CELLS-UBLB6E

Which of the following statements about a positive repressible control system for regulation of gene expression is TRUE?

A

A repressor molecule inactivates an activator molecule to repress gene expression.

B

A corepressor molecule activates a repressor molecule to repress gene expression.

C

An inducer molecule inactivates a repressor molecule to allow gene expression.

D

An inducer molecular activates an activator molecule to allow gene expression.