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Byju's Answer
Standard XII
Biology
Lac Operon
Repressor pro...
Question
Repressor protein is produced by
A
Regulator gene
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B
Operator gene
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C
Structural gene
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D
Promoter gene
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Solution
The correct option is
A
Regulator gene
The regulator gene is responsible for the synthesis of a protein called repressor.
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Where is repressor protein produced from?
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Assertion :Operator gene is functional when it is not blocked by repressor. Reason: Regulator gene produces active proteins only which acts on operon system in E. coli.
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