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Discussion :: Biology

  1. They play key roles in the contraction of muscles,digestion of food and clotting of blood.

    2. A.

     Fats
    B.

     Carbohydrates
    C.

     Proteins
    D.

     Vitamins

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    Answer : Option C

    Explanation :

    Proteins play key roles in the contraction of muscles,digestion of food and clotting of blood.

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