AMU Medical AMU Solved Paper-2002

  • question_answer
    Which enzyme is effective in the following reaction?                 \[{{C}_{6}}{{H}_{12}}{{O}_{6}}\xrightarrow{{}}2{{C}_{2}}{{H}_{5}}OH+2C{{O}_{2}}\]

    A)  Invertase                           

    B)  Zymase

    C)  Maltase                              

    D)  a-amylase

    Correct Answer: B

    Solution :

                     The fermentation of glucose is carried in the presence of zymase enzyme. \[{{C}_{6}}{{H}_{12}}{{O}_{6}}\xrightarrow[yeast]{Zymase}\underset{ethyl\,\,alcohol}{\mathop{2{{C}_{2}}{{H}_{5}}OH+}}\,2C{{O}_{2}}\] \[\underset{sucrose}{\mathop{{{C}_{12}}{{H}_{2}}{{O}_{11}}+}}\,{{H}_{2}}O\xrightarrow{Invertase}\]\[\underset{glucose}{\mathop{{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,+\underset{fructose}{\mathop{{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,\]       \[\underset{maltose}{\mathop{{{C}_{12}}{{H}_{22}}{{O}_{11}}+}}\,{{H}_{2}}O\xrightarrow{Maltase}\underset{glucose}{\mathop{2{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,\]             \[\underset{starch}{\mathop{2{{({{C}_{6}}{{H}_{10}}{{O}_{5}})}_{n}}}}\,+n{{H}_{2}}O\xrightarrow{\alpha -amylase}\underset{maltose}{\mathop{n{{C}_{12}}{{H}_{22}}{{O}_{11}}}}\,\]


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