Choose the correct option

a. H3 and H4 histones first form heterodimers that then come together to form a tetramer with two molecules each of H3 and H4.

b. While H2A and H2B form heterodimers in solution but not tetramers.

c. This assembly without DNA called Histone-only Intermediates

d. First the H3.H4 assemble into tetramer (HOI) then DNA wrapped over H3.H4 tetramer.

TLS Online TPP Program

#Question id: 2643

#Unit 2. Cellular Organization

 If in an experiment you mutate the two trp codons in the attenuator to ala codon what will be the impact on repression?

TLS Online TPP Program

#Question id: 2644

#Unit 2. Cellular Organization

Which of these items have a positive impact on PEDCBA transcription?

TLS Online TPP Program

#Question id: 2645

#Unit 2. Cellular Organization

When uncharged tRNA concentration is low what will you expect as the activity of tryptophan operon?

TLS Online TPP Program

#Question id: 2646

#Unit 2. Cellular Organization

How many stem loop structures play important role in complete system of tryptophan gene regulation?

TLS Online TPP Program

#Question id: 2647

#Unit 2. Cellular Organization

Which of this mode of trp regulation is not possible in eukaryotes?

TLS Online TPP Program

#Question id: 2648

#Unit 2. Cellular Organization

In which microorganism will you find attenuation by alternate loop formation due to ribosomal stalling?