Which one of the following triplet codes is correctly matched &nb

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 Multiple Choice QuestionsLong Answer Type

91. (a) Why is DNA molecule more stable genetic material than RNA ? Explain.

(b)‘Unambigous’, ‘degenerate’ and ‘universal’ are some of the salient features of genetic code. Explain.

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92.

Provide experimental evidence for semi-conservative mode of replication of DNA.

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93.

Describe various goals of human genome project (HGP).

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 Multiple Choice QuestionsMultiple Choice Questions

94. Start codon is  :
  • AAG
  • AUG
  • GAG
  • GUC
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95. Experimental material in the study of DNA replication has been available in the organism :
  • Escherichia coli
  • Neurospora crassa
  • Pneumococcus
  • Drosophila melanogaster.
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96. Nucleotide arrangement in DNA can be seen by :
  • X-ray crystallography
  • Electron microscope
  • Ultracentrifuge 
  • Light microscope.
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97. Pneumococcus experiment proved that :
  • Bacteria do not reproduce asexually
  • Bacteria undergo binary fission
  • DNA is genetic material
  • RNA may sometimes control production of DNA and proteins.
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98. Which one of the following triplet codes is correctly matched  ?
  • UUU–Methionine
  • UGU–Start
  • AUG–Methionine
  • UCG–Start.


C.

AUG–Methionine
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99. The total number of nitrogenous bases in human genome is estimated to be about :
  • 3.5 million
  • 35 thousand
  • 35 thousand
  • 3 billion.
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100. Which of the following pairs is correctly matched with regard to the codon and the amino acid coded by it ?
  • UGG – Tryptophan
  • AAA – Trytophan
  • AUG- Cysteine
  • CCC – Methionine
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