y the following descriptions based on what type of operon is described. Choices

Question

y the following descriptions based on what type of operon is described. Choices may be used more than once or not at all trp Operon When substrate is present, the operon is turned on When substrate is present the operon is turned on Repressor typically able to attach to operator When repressor is bound enzymes are not produced lac Operon When substrate is present, the operon is turned off When substrate is present, the operon is turned off When repressor is bound enzymes are produced Repressor is typically unable to attach to the operator

Explanation / Answer

trp operon:-it is a repressive operon repressed by high level of tryptophan.

When substrate is present the operon is turned off.

When repressor is bound,enzymes are not produced.

Lac operon:-it is an inducible operon which is induced by high level of lactose.

When substrate(lactose)is present the operator is turned on.

Repressor typically able to attach to repressor.

When repressor is bound enzymes are not produced.

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