Biology · Immunology
Match Column A (Immunoglobulin Types) with Column B (Functions/Characteristics): A. IgA - 1. First antibody to be detected after exposure to antigen; 10% of total immunoglobulin. B. IgG - 2. Abundantly present in blood, mucus, saliva, breast milk, sweat; protects against pathogens. C. IgM - 3. Responsible for hypersensitivity & allergic reactions; causes mast cell histamine release. D. IgE - 4. Makes up to 75% of total humoral immunity; only antibody crossing the placenta. E. IgD - 5. Helps to differentiate B-lymphocytes.
- 1A → 2, B → 4, C → 1, D → 3, E → 5✓
- 2A → 5, B → 4, C → 1, D → 3, E → 2
- 3A → 2, B → 3, C → 1, D → 4, E → 5
- 4A → 1, B → 2, C → 3, D → 4, E → 5
Correct answer
A → 2, B → 4, C → 1, D → 3, E → 5
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