Answer: The part of the amino acid that varies from one amino acid to another is called the side chain (amino acid side chain) or the R group.
Explanation: Amino acid side chain is an atom or group of atoms attached to the central carbon atom of the amino acid. The amino acid side chain gives amino acids their characteristic physical and chemical properties. It determines the size, pH (alkalinity or acidity), and polarity (hydrophobic and hydrophilic nature) of the amino acids.
Amino acids are the monomer organic compound of proteins. The R group of amino acids varies in every amino acid as they are specific.
Amino acids are the organic molecule or the monomeric units of the proteins that are made up of one carboxylic group, one hydrogen, one amino group, and one side chain attached to the center carbon atoms.
The amino, hydrogen, and carboxylic group of every amino acid are the same but the side chain or the R group of the amino acid are specific and varies.
Therefore, the R group of the amino acid vary in amino acids.
Learn more about amino acids here:
https://brainly.com/question/13292474
