BIOLOGICAL BASES OF BEHAVIOR
THE NERVOUS AND ENDOCRINE SYSTEMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -Keratinocytes (ker-uh-TIH-no-sites) make keratin, a type of protein that’s a basic component of hair, skin, and nails.
Detailed explanation-2: -Hairs are cylinders made of three layers of keratin. The outer layer has tiny overlapping scales that can be seen through a microscope. Fingernails and toenails are plates made of long, tough layers of transparent keratin.
Detailed explanation-3: -Keratin is the key component of our skin, hair and nails. Its protein building blocks have amino acid chains, coiled, cross-linked and classified as either hard or soft. It separates us from our environment by forming thin and flexible skin, strong hair and rigid nails. Even embryonic teeth have a keratin layer!
Detailed explanation-4: -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.
Detailed explanation-5: -Hair is a filamentous biomaterial consisting mainly of proteins in particular keratin.