JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2015

  • question_answer
    How many tripeptides can be prepared by linking the amino acids glycine, alanine and phenyl alanine?

    A) One                                      

    B) Three       

    C) Six

    D) Twelve

    Correct Answer: C

    Solution :

    Tripeptides are amino acids polymers in which three individual amino acids units, called residues, are linked together by amide bonds. In these an amino group from one residue forms an amide bond with the carboxyl group of, a second residue. The amino group of the second forms an amide bond with the carboxyl group of the third. Therefore glycine \[\text{3}.\text{75}\times \text{1}{{0}^{\text{4}}}\] \[0.\text{375}\times \text{1}{{0}^{\text{5}}}\] \[\sqrt{{{\mu }_{0}}{{\varepsilon }_{0}}}\]Can be linked in six different ways.                                


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