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Question
Biology
Posted 7 months ago
Is Repressible operon on all the time 
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Answer from Sia
Posted 7 months ago
Answer
A repressible operon is not on all the time; it can be turned off by specific molecules.
Solution
a
Repressible operons are part of a regulatory mechanism used by cells to turn off gene expression
b
They are typically on by default, but can be repressed when a specific corepressor molecule binds to the repressor protein, which then binds to the operator region on the operon, inhibiting transcription
Key Concept
Repressible operon regulation
Explanation
Repressible operons are usually active but can be inactivated when a corepressor binds to the repressor, which then binds to the operator, preventing gene transcription.
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