In prokaryotic $DNA$,the recognition of the promoter region by $RNA$ polymerase is determined in some cases by the interaction of certain proteins with which sequences?

  • A
    Promoter
  • B
    Operator
  • C
    Regulator
  • D
    Cistron

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Similar Questions

$E. coli$ cells with a mutated $Z$ gene of the $lac$ operon cannot grow in a medium containing only lactose as the source of energy because:

The functional complex that consists of a cluster of genes including structural genes,a promoter gene,an operator gene,and a regulator gene was discovered by:

In an $E. coli$ strain,the $i$ gene gets mutated such that its product cannot bind the inducer molecule. If the growth medium is provided with lactose,what will be the outcome?

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

Which one of the following sets contains enzymes coded by the structural genes of the $lac$ operon of $E. coli$?

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