TLS Online TPP Program

#Question id: 864


Which one is not the appropriate function of Heat Shock Proteins;

#Unit 1. Structure and Function of Biomolecules
  1. Minimize heat and stress damage to proteins

  2. Bind to nascent polypeptides to prevent premature folding

  3. Facilitate only disassembly of multi protein complexes

  4. Facilitate correct folding of proteins by minimizing aggregation and other misfolding

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TLS Online TPP Program

#Question id: 4553

#Unit 3. Fundamental Processes

The NtrC protein (nitrogen regulatory protein C)—stimulates transcription of the glnA gene, this protein is an activator of σ54-RNA polymerase. Which of the following given characteristics about this protein is incorrect?

TLS Online TPP Program

#Question id: 4554

#Unit 3. Fundamental Processes

In which studies have shown that phosphorylated NtrC bound at enhancers and σ54-polymerase bound at the promoter interact directly, forming a loop in the DNA between the binding sites?

TLS Online TPP Program

#Question id: 4555

#Unit 3. Fundamental Processes

The σ54-RNA polymerase binds to the glnA promoter but does not melt the DNA strands and initiate transcription until it is activated by

TLS Online TPP Program

#Question id: 4557

#Unit 3. Fundamental Processes

In eukaryotic transcription RNA polymerase II is transcribed

TLS Online TPP Program

#Question id: 4558

#Unit 3. Fundamental Processes

Classes of RNA transcribed by the three eukaryotic nuclear RNA Polymerase;

                    Polymerase

             RNA Transcribed     

A. RNA polymerase I                   

i) tRNAs, 5S rRNA, snRNA, U6, 7S RNA

B. RNA polymerase II

ii) Pre-rRNA 28S, 18SrRNA,  5.8SrRNAs

C. RNA polymerase III

iii) mRNA, snRNAs, siRNAs, miRNAs

 Match the following correct combination given above combinations;

TLS Online TPP Program

#Question id: 4559

#Unit 3. Fundamental Processes

The 5’Cap is added to the eukaryotic nascent RNAs shortly after