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Binding of which of the following antibody’s heavy chain initiates the lysis of bound bacterial cells?

Binding of which of the following antibody’s heavy chain initiates the lysis of bound bacterial cells? Correct Answer IgM

Binding of heavy chain of IgM leads to the activation of complement system that initiates the lysis of bacterial cells to which the antibody is bound. Similarly, binding of heavy chain of IgE initiates the allergic responses.

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