MGIMS WARDHA MGIMS WARDHA Solved Paper-2015

  • question_answer
    Match the following electron transport chain (ETC) inhibitors with their mode of action.
    Column-I Column-II
    A. Dinitrophenol (2.4-DNP) 1. Electron flow from cyt\[-{{a}_{3}}\]to\[{{O}_{2}}\]
    B. Cyanide 2. Direct electrons from Co-Q to\[{{O}_{2}}\]
    C. Antimycin-A 3. Electron flow from NADH/FADH a to Co-Q
    D. Rotenone 4. Electron flow from Cyt-b to Cyt-c
    Codes

    A)                 A-2         B-4         C-1         D-3

    B)                 A-2         B-1         C-4         D-3

    C)                 A-3         B-4         C-1         D-2

    D)                 A-4         B-3         C-2         D-1

    Correct Answer: A

    Solution :

                    The correct match is
    A. 2-4 DNP Direct\[{{e}^{-}}\]form Co-Q to \[{{O}_{2}}\]
    B. Cyanide \[{{e}^{-}}\]flow form cyt \[-{{a}_{3}}\]to \[{{O}_{2}}\]
    C. Antimycin-A \[{{e}^{-}}\]flow form cyt-b to c
    D. Rotenone \[{{e}^{-}}\]flow form \[NADH/FAD{{H}_{2}}\]to Co-Q


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