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A gene which synthesis a repressor prote...

A gene which synthesis a repressor protein is :

A

operator gene

B

promoter gene

C

structural gene

D

regulator gene

Text Solution

Verified by Experts

The correct Answer is:
D
Regular gene codes for a repressor protein in inducible system and a co-repressor in repressible system.
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Answer the following on the basis of lac operon-a. Name the 3 structural genes. b. Name the inducer. c Name the gene which codes for enzyme B-galactocydase. d Name the gene which codes for repressor protein e.What is the role of gene "Y"

Protein synthesis

Knowledge Check

  • A gene of operon which forms the repressor protein is

    A
    Operator
    B
    Promoter
    C
    Regulator
    D
    Structural

  • Which one of the following synthesize a repressor protein :-

    A
    Regulator gene
    B
    Promoter gene
    C
    Structural gene
    D
    Operator gene

  • Regulator is a gene that codes for a repressor protein molecule. This gene is called on/off switch of transcription.

    A
    If both (A) and (R ) are true and (R ) is the correct explanation of (A).
    B
    If both (A) and (R ) are true but (R ) is not the correct explanation of (A).
    C
    If (A) is true but (R ) is false.
    D
    If both (A) and (R ) are false.

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    In Lac-operon, repressor protein binds to

    In the operon system, the repressor protein can bind only to the :

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