Which class of antibodies plays a role in activating the complement and clumping cells?Multiple ChoiceIgMIgGIgAIgDIgE
Question
Which class of antibodies plays a role in activating the complement and clumping cells?
Multiple Choice
- IgM
- IgG
- IgA
- IgD
- IgE
Solution
The class of antibodies that plays a role in activating the complement system and clumping cells is IgM.
Explanation
- Function of IgM: IgM is the first antibody produced in response to an infection and is highly effective in forming complexes with antigens.
- Complement Activation: It has the unique ability to activate the complement system more efficiently than other immunoglobulin classes, which aids in opsonization and the destruction of pathogens.
- Clumping Cells: IgM can also agglutinate (or clump) pathogens, making them easier targets for immune clearance.
Thus, the correct answer is IgM.
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