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Structure and Function of Skin — BIOLOGY STD 9 — Question

ICSE BoardEnglish MediumSTD 9BIOLOGYStructure and Function of Skin2 Marks
Question
What is keratin? Where is it found in the skin?
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Answer

A type of protein found on epithelial cells, which line the inside and outside surfaces of the body. Keratins help form the tissues of the hair, nails, and the outer layer of the skin. They are also found on cells in the lining of organs, glands, and other parts of the body.

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