Biology, 20.11.2020 20:40, Nessakona1

What is the function of the protein keratin? to provide support and structure for cells in hair, skin, and nails
to fight infections caused by bacteria and viruses
to increase chemical reaction rates in the digestive system
to transmit chemical signals throughout the body

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What is the function of the protein keratin? to provide support and structure for cells in hair, sk...