Answer:
Keratin is an important protein in the epidermis. Keratin has two main functions: to adhere cells to each other and to form a protective layer on the outside of the skin. In epithelial cells, keratin proteins inside the cell attach to proteins called desmosomes on the surface.
Explanation:
Answer:symbol for atomic no is(Z) and for mass no is (A).
Explanation:
Answer:
you made the book to your freind without getting up
Explanation:
you are lazy but that is smart