Highlight the structural importance of an antibody molecule with a diagram. Name the four types of antibodies found to give a humoral immune response, mentioning the functions of two of them you have studied.



An antibody molecule consists of four polypeptide chains, two are long called heavy (H) chains while other two are short called light (L) chains. Both are arranged in the shape of Y. Hence, the antibody is represented as H 2 L 2 .

Question 26 - Highlight the structural importance - teachoo.jpg

Light chain, Heavy Chain

Types of Antibody –

IgA, IgM, IgE,IgG

IgA – Lactating Mother to protect their infant

Ig E – To protect from allergen

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