AFMC AFMC Solved Paper-2011

  • question_answer
    The amino acid which is not optically active is

    A) lactic acid            

    B) serine

    C) alanine                

    D) glycine

    Correct Answer: D

    Solution :

    Glycine is optically inactive amino acid due to absence of chiral carbon atom. \[\underset{\text{glycine}}{\mathop{\underset{\text{N}{{\text{H}}_{\text{2}}}}{\mathop{\underset{\downarrow }{\mathop{\text{C}}}\,}}\,}}\,{{H}_{2}}-COOH\]


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