What is keratin?

Fibrous proteins

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Characteristic of rhinoceros horn

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Selenoproteins

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All of the above

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Solution

The correct option is D All of the above
Keratin is a family of fibrous structural proteins. Keratin is the key structural material, which makes the outer layer of human skin.
Rhino horns are composed largely of the protein keratin.
Keratin is a structural protein rich in sulphur. It is selenoprotein.
Therefore, the correct answer is option D.

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Similar questions

Consider these animals:

(1) Tiger (2) Lion

(3) One horned Rhinoceros

Which of the species mentioned above have shown rise in their population as per their latest census.

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