分子生物学试题及答案2(4)

2．Now, the map of the lac operon was given:

In the lac operon, the repressor gene is (I), the promoter is (P), the operator (O), and the structural genes are beta-galactosidase (Z) and permease (Y). Use your knowledge of the lac operon to complete the following table. Insert “+” where a functional enzyme is produced and “-” where no functional enzyme is produced.

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