1 .		Enzymes that are formed only when their substrate is present are referred to as:
2 .		Anti-sense RNA or DNA:
3 .		The substrate for the enzyme -galactosidase is
4 .		During feedback inhibition or end product inhibition
5 .		In the lac operon of E. coli, binding of lactose results in
6 .		Which of the following is true of the trpL region?
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