In bacteria, genes of related function are grouped together as operons. These operons may either be inducible or repressible. Inducible operons are usually turned off while the repressible operons are usually turned on and both are only switched on/off with the appropriate signals.
Which is incorrect about inducible operons?
A. They have genes turned off by the buildup of end product.
B. They are often for use in catabolic pathways.
C. They are normally turned off.
D. They are turned on by the substrate of the enzyme.
E. They include the lac operon.
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