It can prevent cell damage and other changes that oxygen causes by scavenging the oxygen free radicals. As the disease progresses, the cartilage develops cracks and wears away eventually allowing bone to rub against bone. This results in grinding noises, pain and stiffness in the joints. Vitamin C might aid in the repair of collagen. They all contain protein.
Proteins play crucial roles in almost all biological processes.
These enzymes are proteins. The transport of molecules. Generation and transmission of nerve impulses. Control of growth and differentiation. Another stain, Coomassie blue can also be used.