Proteins are polymers made up of chains of amino acids. Different combinations of amino acids code for different proteins. Proteins are important in your body because they play a role in many different processes. Listed below are some functions of proteins in your body.
*Hemoglobin is a type of protein found in your blood that allows your blood to transport oxygen.
*Proteins are necessary for the production of enzymes which help speed up chemical reactions in your body
*Proteins interact with hormones to regulate cells
*Proteins (such as transport proteins or structural proteins)are embedded in the cell membrane to allow for certain materials into the cell or to help support the structure of the cell
*Proteins allow for movement of your muscles by producing muscle contractions
*Proteins play a role in your immune system by helping fight off infection
Source: concepts in Biology. 12th edition. Copywright 2007 McGraw-Hill