KX Modifier - SPECIFIC REQUIRED DOCUMENTATION ON FILE. KX -- SPECIFIC REQUIRED DOCUMENTATION ON FILE. (EFFECTIVE DATE 7/1/2002) This modifier may be used to indicate that specific required documentation is on file in the patient's medical record. Documentation must be submitted upon request.
Proteins are made of amino acids hooked end-to-end like beads on a necklace. To simulate. a protein, you will make a model of your protein using a long chenille stem (the fuzzy. covered wire) and colored beads.
What kind of molecules are proteins made of? proteins are made of molecules called amino acids   amino acids consist of nitrogen, hydrogen, carbon and oxygen   i just want to thank all the people who put these answâ¦ers up. without you, i never would have passed biology. thank you   No problem mate. Amino acids.