How many polypeptide chains compose a single antibody molecule?

Biology Mcqs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Biology Mcqsbiology-mcqs
Published
11 May 2018
Last updated
28 May 2026

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Explanation

An antibody consists of four polypeptide chains: two heavy chains and two light chains, which together form its functional structure.

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