Transposons occur in:
  • In Eukaryotes
  • In Prokaryotes
  • In both (a) and (b)
  • None of these
One of these is not prepared directly from DNA
  • m-RNA
  • f-RNA
  • r-RNA
  • Protein
Coiling of DNA duplex is:
  • Left-handed
  • Right-handed
  • Parallel
  • All of these
DNA double helix model was given by:
  • Knoll and Ruska
  • Khorana
  • Watson and Crick
  • Priestley
Inprokaryotic translation, GTP molecule required in at:
  • Formation of formyl-met-f-RNA
  • Joining of 30S sub-unit of ribosome with n-RNA
  • Joining of 30S m-RNA on Formyl-met-f-RNA
  • Joining of 50S subunit of ribosome with initiation complex
DNA transcription, if nucleotide sequence of DNA strand, that is being coded in ATACG, then the nucleotide sequence in m-RNA would be:
  • UATGC
  • TATGC
  • TCTGG
  • UAUGC
In a m-RNA, how many nucleotide sequence code for amino acid:
  • One
  • Two
  • Three
  • Four
RNA from which has clover leaf model:
  • f-RNA
  • r-RNA
  • hn-RNA
  • m-RNA
Nitrogenous bases present in DNA:
  • Adenine, guanine, cytosine, thymine
  • Adenine, guanine, cytosine, uracil
  • Adenine, thymine, uracil
  • Guanine, uracil
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