This is the most corrosion-resistant kind of steel. It normally contains at least 12 percent (and sometimes up to 30 percent) chromium, and it usually also contains nickel. A very popular stainless steel formulation is 18-8, 18 percent chromium and 8 percent nickel. Alloy Steels.
The importance of protein. Protein is a part of every cell in your body, and no other nutrient plays as many different roles in keeping you alive and healthy. The importance of protein for the growth and repair of your muscles, bones, skin, tendons, ligaments, hair, eyes and other tissues is proven since a very long time. Without it, you would lack the enzymes and hormones you need for metabolism, digestion and other important processes.
DNA Codes For Proteins PROTEINS DO THE nitty-gritty jobs of every living cell. Proteins are the molecules that give structure and shape to living cells and that carry out all of the chemical reactions nec-essary for life. The importance of DNA is that it contains the information that is used to make all of the proteins on which life depends.