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Biology, 06.01.2020 23:31 Ashleymsmith

In general, operons that encode the enzymes of a biosynthetic (anabolic) pathway (such as the trp operon) are and those encoding the enzymes of a catabolic pathway (such as the lac operon) are

a. repressible; inducible
b. inducible; repressible
c. permanently on ; permanently off
d. permanently off; permanently on
e. easily mutated; resistant to mutations

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