Proteins are a large category of organic compounds
formed from the elements
- Carbon (C),
- Hydrogen (H),
- Oxygen (O) and
- and, in some cases, also Sulphur (S) and Phosphorus (P).
There are many different protein molecules - all have
complex structures formed by one or more polypeptide chains of linked
Why are proteins important?
- Protein is one of the three main parts of the human diet - the others being fat and carbohydrates.
- Proteins are essential as chemical "building-blocks" within the body because they form the material structures of many tissues, muscles and organs.
- Proteins are also important because of their roles
regulating bodily functions, enzymes