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Biology, 02.12.2019 19:30 lainnn974

The blablabla operon produces enzymes that convert compound a into compound b. the operon is controlled by a regulatory gene s. normally, the enzymes are synthesized only in the absence of compound b. if gene s is mutated, the enzymes are synthesized in the presence and in the absence of compound b. gene s must encode a(n): inducer. coactivator. activator. corepressor. repressor.

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