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TermFinder - an online dictionary for students

keratin

(genetic biology)

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  • Grammar: noun
  • Definition: a fibrous, structural protein found in hair, nails, hooves, wool, feathers, and skin
  • Example:
    1. The helix structure of keratin generates long threads that form the structural matrix of mammalian hair, bird feather and turtle shells.

    2. The epidermis is composed of a lower layer of rapidly dividing cells and an outer protective layer of cells that are packed full of the matrix protein keratin.


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