Search Results for: Waste of primary cells
here keratin previous (kerala) next (kermit roosevelt, jr.) microscopy of keratin filaments inside cells. keratin is any one of the family of tough and insoluble fibrous structural proteins that form the chief, hard, nonmineralized structural component of hair , wool , horns , nails , claws, hooves,
and other vertebrate tissues, as well as part of various invertebrate structures. keratins are rivaled as biological materials in toughness only by chitin . keratins are present in all epithelial cells, both those covering the external surfaces of organisms and those on internal surfaces, such as the...
https://www.newworldencyclopedia.org/entry/Keratin