protein/amino acids

are made of amino acids (CHON) structural and working substance in all cells not just muscle cells

(a)  

Contain carbon, hydrogen, oxygen (like carbohydrates and fats)

(a)  

CANNOT be produced by the body

–MUST be obtained in diet

(a)  

CAN be produced by the body

–NO NEED to be obtained in diet

(a)  

–Aspartic acid

–Glutamic acid

(a)  

–Histidine

–Lysine

–Arginine

(a)  

Leucine, lysine

(a)  

Histidine, Methionine, Valine

(a)  

Isoleucine, Threonine, Tyrosine, Phenylalanine

(a)  

have two amino acids bonded together.

(a)