In the lactose operon of $Escherichia \text{ } coli$, what is the function of the promoter?
- ABinding of $Gyrase$ enzyme
- BBinding of $RNA$ polymerase
- CCodes for $RNA$ polymerase
- DProcessing of messenger $RNA$
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Similar Questions
Match the following genes of the $Lac$ operon with their respective products.
$(a)\; i$ gene $(i)\; \beta-\text{galactosidase}$ $(b)\; z$ gene $(ii)\; \text{Permease}$ $(c)\; a$ gene $(iii)\; \text{Repressor}$ $(d)\; y$ gene $(iv)\; \text{Transacetylase}$
Select the correct option.
| $(a)\; i$ gene | $(i)\; \beta-\text{galactosidase}$ |
| $(b)\; z$ gene | $(ii)\; \text{Permease}$ |
| $(c)\; a$ gene | $(iii)\; \text{Repressor}$ |
| $(d)\; y$ gene | $(iv)\; \text{Transacetylase}$ |
Select the correct option.
MediumNEET 2019
View SolutionWhen $Escherichia$ $coli$ cells are cultured in a medium where $Lactose$ is absent,the $i$ gene of $Lac$ $Operon$ continues to produce repressor $mRNA$,because it is:
What does '$2$' represent in the given figure?
Medium
View Solution$A$ low level of expression of lac operon occurs at all the time. Can you explain the logic behind this phenomenon?
Medium
View SolutionWhat is the first level of regulation of gene expression in eukaryotes?
Medium
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