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24/09/2020 6:47 pm
Topic starter
The antigen-binding site are present where on the antibody molecule
(a) on light chain as well as on heavy chain.
(b) on light chain only.
(c) on variable region and constant region of light chain.
(d) on heavy chain only.
1 Answer
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24/09/2020 6:48 pm
(a) on light chain as well as on heavy chain.
Explanation:
The Y-shaped antibody molecule is composed of 4 polypeptide chains - two identical light chains and two heavy chains held together by disulphide bonds. Antigen-binding site is formed on antibody molecule where a heavy chain variable and a light chain variable come closer.