KVPY Sample Paper KVPY Stream-SX Model Paper-18

  • question_answer
    If there are 34 amino acids and DNA contains only two nitrogenous based, what would be the minimum number of bases per codon that code for amino acids?

    A) 3

    B) 4

    C) 5

    D) 6

    Correct Answer: D

    Solution :

    Since there are only two nitrogenous bases in DNA and 34 ammo acids, 2" combination would give number of codons in the genetic code where n represents the number of bases per codon. If n \[=\text{ }6,{{2}^{n}}\] would give 64 combinations to code for 34 amino acids, so the minimum number of bases per codon should be 6.


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