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Question

Transparent part of human nail is made up of

A
Living protein eleidin
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B
Dead protein keratin
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C
Collagen fibres
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D
All of the above
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Solution

The correct option is B Dead protein keratin
A nail is a horn-like envelope covering the tips of the fingers and toes in humans, most non-human primates, and a few other mammals. Nails are similar to claws in other animals. Fingernails and toenails are made of a tough protective dead protein called keratin. This protein is also found in the hooves and horns of different animals.

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