JEE Main & Advanced Chemistry Biomolecules / जैव-अणु Question Bank Proteins, Amino Acids and Enzymes

  • question_answer
    Proteins are composed of            [MP PMT 1995; J & K 2005]

    A)                 \[\alpha -\]amino acids

    B)                 Carbohydrates

    C)                 Vitamins             

    D)                 Mineral salts

    Correct Answer: A

    Solution :

               Peptides are formed by condensation of \[\alpha \]-amino acids.                    \[{{H}_{2}}N-C{{H}_{2}}COOH+{{H}_{2}}N-C{{H}_{2}}-COOH\]\[\xrightarrow{-{{H}_{2}}O}\,{{H}_{2}}N-C{{H}_{2}}\underset{\text{peptide bond}}{\mathop{-CONH-}}\,C{{H}_{2}}COOH\] \[\xrightarrow{{{H}_{2}}N-C{{H}_{2}}COOH}\] and so on.


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