Amino acids are the building blocks that form polypeptides and ultimately proteins. Consequently, they are fundamental components of our bodies and vital for physiological functions such as protein ...

Each protein is a molecule made up of different combinations of 20 types of smaller, simpler amino acids. Protein molecules are long chains of amino acids that are folded into a three-dimensional ...

Once the budding molecular biology community was convinced about the triplet code, the race to decode which triplets specified which amino acids began ... of two or three different bases.

In an organism, the active site of each enzyme is a different shape ... Changing the pH will affect the charges on the amino acid molecules. Amino acids that attracted each other may no longer.