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    Question

    The  codon which is also known as  start  codon or

    initiation  codons  it  starts  the synthesis of polypeptide chain.
    A AUG Correct Answer Incorrect Answer
    B UAA Correct Answer Incorrect Answer
    C UAG Correct Answer Incorrect Answer
    D UGA Correct Answer Incorrect Answer

    Solution

    Three codons, UAA, UAG and UGA do not code for any amino acid and hence they are  called nonsense  codons. These  codons  are  also  known  as  stop  codons  or termination codons as they provide stop signal for termination. The  codon i.e., AUG  is known as  start  codon or initiation  codons  it  starts  the synthesis of polypeptide chain.

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