New Enroll for RBI, PFRDA & NABARD Intro Class! April 18 at 9:15 PM

    Question

    Keratin, a structural protein is present is ____

    A Wool Correct Answer Incorrect Answer
    B Hair Correct Answer Incorrect Answer
    C Silk Correct Answer Incorrect Answer
    D All of the above Correct Answer Incorrect Answer

    Solution

    The correct answer is D

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