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Discussion :: Biology

  1. They form the material which forms skins, muscles, hair and nails in animals.

    2. A.

     Protein
    B.

     Carbohydrates
    C.

     Fats
    D.

     Vitamins

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    Answer : Option A

    Explanation :

    Keratinocytes make keratin, a type of protein that's a basic component of hair, skin, and nails. Keratin in the skin's outer layer helps create a protective barrier.

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