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TLS Online TPP Program

#Question id: 4375


Protein X is found to bind to a certain geneʹs promoter only when substance A is not present.  The gene can be transcribed in the presence of both X and A. It is not transcribed in the presence of X alone. Protein X is a/an __. Substance A is a/an __.

#Unit 3. Fundamental Processes
  1. repressor; inducer

  2. repressor; corepressor

  3. activator; inducer 

  4. activator; corepressor


Answer:- Option(s): 1


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More Questions
TLS Online TPP Program

#Question id: 2627

#Unit 2. Cellular Organization

Binding of repressor on to the operator sequences, RNA polymerase binding is analyzed by; 

TLS Online TPP Program

#Question id: 2628

#Unit 2. Cellular Organization

Choose true statement about lac repressor;

TLS Online TPP Program

#Question id: 2629

#Unit 2. Cellular Organization

Case of constitutive mutants,

TLS Online TPP Program

#Question id: 2630

#Unit 2. Cellular Organization

What does graphical representation shown,

TLS Online TPP Program

#Question id: 2631

#Unit 2. Cellular Organization

True statements about genes of galactose metabolism in Yeast;

TLS Online TPP Program

#Question id: 2632

#Unit 2. Cellular Organization

How would transcription of the E. coli trp operon be affected,

I. If Removing sequence 4;

II. Changing several nucleotides in sequence 3 so that it can base-pair with sequence 4 but not with sequence 2;

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