What is an amino acid and how do they make up proteins?
Answers
Amino acids are the structural units (monomers) that make up proteins. They join together to form short polymer chains called peptides or longer chains called either polypeptides or proteins. These polymers are linear and unbranched, with each amino acid within the chain attached to two neighboring amino acids.
Amino acids are molecules that are the building blocks of proteins.
Explanation:
An amino acid is a molecule (compound) that has a backbone with an amino-end
There are 20 amino acids that form all the proteins in the body, they differ in their side chain R .
To form a peptide a few amino acids are coupled together. To form a protein a whole string of amino acids is formed and later folded.
The coupling of amino acids is a condensation reaction i.e. water is released. The image below shows this reaction. The bond between two amino acids is called a peptide bond .
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