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Which one of the following also acts as a catalyst in a bacterial cell?

  • sn RNA

  • hn RNA

  • 23 S rRNA

  • 23 S rRNA


C.

23 S rRNA

23 SrRNA in bacteria is the enzyme ribozyme for the formation of a peptide bond. 23 S rRNA is found large sub- unit (70 S) of ribosome of bacteria.

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The unequivocal proof of DNA as the genetic material came from the studies on a 

  • bacterium

  • fungus

  • viroid

  • viroid


The process of RNA interference has been used in the development of plants resistant to 

  • fungi

  • viruses

  • insects

  • insects


What are those structures that appear as 'beads-on-string' in the chromosomes when viewed under electron microscope?

  • Nucleotides

  • Nucleosomes

  • Base pairs

  • Base pairs


Silencing of mRNA has been used in producing transgenic plants resistant to

  • bollworms

  • nematodes

  • White rusts

  • White rusts


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