Proteins are made from atoms of carbon, hydrogen, oxygen, nitrogen and some also contain sulphur and phosphorus. Molecules made up of these atoms that synthesise protein are known as:
[amp_mcq option1=”Amino acid” option2=”Nucleic acid” option3=”Glucose” option4=”Cellulose” correct=”option1″]
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UPSC Geoscientist – 2021
Proteins are polymers made up of repeating monomer units called amino acids. Amino acids contain carbon, hydrogen, oxygen, and nitrogen, and some also contain sulfur (e.g., in cysteine and methionine) or are post-translationally modified with phosphorus (e.g., in phosphoproteins).
Amino acids are the building blocks of proteins. There are 20 standard amino acids that are genetically encoded for protein synthesis. They link together via peptide bonds to form polypeptide chains, which then fold into functional proteins.