NEET Biology Digestion and Absorption Question Bank Proteins

  • question_answer
    Which one of the following is a nutritionally essential amino acid for humans?          (CBSE 2000; AMU 2003, 07)

    A) Serine                           

    B) Glycine

    C) Aspartic acid                 

    D) Phenylalanine

    Correct Answer: D


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