Which is the target for attachment of repressor protein produced by the regulator gene?

Operator

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Promoter

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Inducer

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Structural gene

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A Operator
The repressor protein produced by the regulator gene attaches to the operator preventing the RNA polymerase from transcription of structural genes. Thereby, inducing the switch off mechanism of the operon.

Suggest Corrections

Similar questions

\begin{matrix} C o l u m n I & C o l u m n I I p . R e g u l a t o r g e n e & i . B i n d i n g s i t e f o r r e p r e s s o r p r o t e i n q . O p e r a t o r g e n e & i i . C o d e (s) f o r t h e p r o t e i n o f t h e e n z y m e s r . P r o m o t e r g e n e & i i i . C o d e (s) f o r r e p r e s s o r p r o t e i n s . S t r u c t u r a l g e n e s & i v . B i n d i n g S i t e f o r R N A p o l y m e r a s e \end{matrix}

A. Lactose acts as the suppressor for gene expression.

B. Tryptophan acts as the inducer for gene expression.

\begin{matrix} C o l u m n I & C o l u m n I I p . R e g u l a t o r g e n e & i . B i n d i n g s i t e f o r r e p r e s s o r p r o t e i n q . O p e r a t o r g e n e & i i . C o d e (s) f o r t h e p r o t e i n o f t h e e n z y m e s r . P r o m o t e r g e n e & i i i . C o d e (s) f o r r e p r e s s o r p r o t e i n s . S t r u c t u r a l g e n e s & i v . B i n d i n g S i t e f o r R N A p o l y m e r a s e \end{matrix}

Join BYJU'S Learning Program