EPITHELIUM CONNECTIVE TISSUE SKIN
INTEGUMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which structure contains hard Keratin; which is tougher and more durable than the soft keratin of the skin.
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Hair
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Nails
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Hypodermis
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Sebaceous glands
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Explanation:
Detailed explanation-1: -Cells in the epidermis contain a structural matrix of keratin, which makes this outermost layer of the skin almost waterproof, and along with collagen and elastin gives skin its strength.
Detailed explanation-2: -The cortex which is just inside the cuticle and is composed of a strong protein called keratin and the pigment melanin that gives hair its colour. The medulla is found at the centre of the cortex and contains soft, cuboidal, keratinised cells.
Detailed explanation-3: --helical colied secondary structure is found in several proteins, e.g., keratin, myosin, epidermin, fibrin, etc.
There is 1 question to complete.