What are proteins? Proteins are organic molecules made up of amino acids – the building blocks of life. These amino acids are joined together by chemical bonds and then folded in different ways to create three-dimensional structures that are important to our body’s functioning. A diagram of protein structures. Image Source: http://www.rcsb.org/pdb/101/static101.do?p=education_discussion/Looking-at-Structures/graphics.html There are two main categories of amino acids in the body. First,Image may be NSFW.
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