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Question

Which is the target for attachment of repressor protein produced by the regulator gene?

A
Promoter
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B
Structural gene
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C
Operator
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D
Inducer
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Solution

The correct option is C Operator
The repressor protein produced by the regulator gene attaches to the operator preventing the RNA polymerase from transcription of structural genes. Thereby, inducing the switch off mechanism of the operon.

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