J & K CET Engineering J and K - CET Engineering Solved Paper-2005

  • question_answer
    Peptides are formed from

    A)  aliphatic amines

    B)  carbohydrates

    C)  a-amino acids

    D)  aromatic amines

    Correct Answer: C

    Solution :

     By the condensation of a-amino acids peptides are formed. \[{{H}_{2}}N-C{{H}_{2}}COOH+{{H}_{2}}N-C{{H}_{2}}-COOH\] \[\xrightarrow[{{H}_{2}}O]{}{{H}_{2}}N-C{{H}_{2}}\underset{\begin{smallmatrix}  \text{peptide} \\  \,\,\,\,\text{bond} \end{smallmatrix}}{\mathop{\underset{\uparrow }{\mathop{\,}}\,}}\,C{{H}_{2}}COOH\]


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