Question

    Which element is a part of cytochrome oxidase?

    A Mg Correct Answer Incorrect Answer
    B Fe Correct Answer Incorrect Answer
    C Mo Correct Answer Incorrect Answer
    D All of these Correct Answer Incorrect Answer

    Solution

    Cytochrome C oxidase (CCO) is composed of 13 protein subunits. It contains three  copper ions , which are necessary for its function. It also contains zinc, magnesium, and iron.

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