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Question
Horns, nails and hairs are composed of
Horns, nails and hairs are composed of
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Solution
The correct option is C Keratin
Horns, nails and hairs are derivatives of skin in mammals. The keratins are found in the hair (including wool), horns, nails, claws and hooves of mammals. The harder keratins are found in nails and in the scales and claws of reptiles, their shells (Testudines, such as tortoise, turtle, terrapin), and in the feathers, beaks, claws of birds and quills of porcupines.
Horns, nails and hairs are derivatives of skin in mammals. The keratins are found in the hair (including wool), horns, nails, claws and hooves of mammals. The harder keratins are found in nails and in the scales and claws of reptiles, their shells (Testudines, such as tortoise, turtle, terrapin), and in the feathers, beaks, claws of birds and quills of porcupines.
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