DUMET Medical DUMET Medical Solved Paper-2003

  • question_answer
    Which of the following is initiating codon?

    A)  AUG          

    B)  AUU

    C)  UAG          

    D)  None of these

    Correct Answer: A

    Solution :

    The codon present in the beginning of a functional gene is called initiation codon. It marks the message for a polypeptide chain. This initiation codon is AUG in most of the cases and codes for methionine in eukaryotes and for formyi methionine in prokaryotes. The codon which cause termination of polypeptide chain is known as termination codon. There are three termination codons i.e. UAG, UGA and UAA.


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