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Solution


Q.

Name the component that binds to the operator region of an operon and prevents RNA polymerase from transcribing the operon.           [2023]
1 Promotor  
2 Regulator protein  
3 Repressor protein  
4 Inducer  

Ans.

(3)

The repressor protein synthesised from regulatory gene (i gene) binds to the operator region of the operon and prevents RNA polymerase from transcribing the operon.