The functioning of structural genes is controlled by:

  • A
    Operator
  • B
    Promoter
  • C
    Ligase
  • D
    Regulatory gene

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Similar Questions

Explain the contribution of the scientists: François Jacob and Jacques Monod.

What does the $i$ gene encode in the $lac$ operon?

Match Column-$I$ with Column-$II$:
Column-$I$ Column-$II$
$(i)$ Operator site $(a)$ Codes for enzyme (protein)
$(ii)$ Promoter site $(b)$ Codes for repressor
$(iii)$ Structural gene $(c)$ Binding site for $RNA$ polymerase
$(iv)$ Regulator gene $(d)$ Binding site for repressor

Few genes are found in all types of cells of differentiated multicellular organisms of higher classes. These are called:

Match List-$I$ with List-$II$.
List-$I$ List-$II$
$A$. Gene $a$ $I$. $\beta$-galactosidase
$B$. Gene $y$ $II$. Transacetylase
$C$. Gene $i$ $III$. Permease
$D$. Gene $z$ $IV$. Repressor protein

Choose the correct answer from the options given below:

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