Question
The correct option regarding the lac operon in E.coli from the following is
Options :
Lac operon is switched on in the absence of lactose
lac operon messenger RNA is a polycistronic mRNA
Lac repressor binds to the lac promoter
β-galactosidase is the only enzyme produced in large quantities when lac operon is turned on
Answer :
lac operon messenger RNA is a polycistronic mRNA
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