JEE Main 2022 — Biomolecules Question with Solution
JEE Main 2022 (24 Jun Shift 2)
Question
In alanylglycylleucylalanylvaline the number of peptide linkages is:
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Show full solutionCorrect answer: 4
Step-by-step explanation
A peptide bond is a chemical bond formed between two molecules when the carboxyl group of one molecule reacts with the amino group of the other molecule, releasing a molecule of water. This linkage is found along a peptide or protein chain.
There are five amino acids in the given sequence, so they will have four peptide bonds in between them.
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This is a previous-year question from JEE Main 2022, covering the Biomolecules chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.