KVPY Sample Paper KVPY Stream-SX Model Paper-21

  • question_answer
    Which option is correct for the ammo acid and the total number of their genetic code?

    A) Val = 6, Pro = 6

    B) Arg = 6, His = 6

    C) Pro = 4, Thr = 4

    D) Thr = 4, Arg = 4

    Correct Answer: C

    Solution :

    Out of the given options, the right option is that proline (Pro) which is encoded by four genetic codes, i.e. CCU, CCC, CCA and CCG and threonine (Thr) which is also encoded by four codons, i.e. ACU, ACC, ACA and ACG. The genetic code consists of 64 triplets of nucleotides.
    These triplets are called codons. With three exceptions each codon encodes for one of the 20 amino acids used in the synthesis of proteins. But most of the amino acids are encoded by more than one codon.

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