Which of the following immunoglobulin isotypes is the MOST efficient at initiating a complement fixation cascade?

Name: Which of the following immunoglobulin isotypes is the MOST efficient at initiating a complement fixation cascade?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

IgM is the most efficient at initiating a complement fixation cascade due to its pentameric structure, which provides multiple binding sites for the complement system, leading to a rapid and effective activation of the cascade.

Which of the Following Immunoglobulin Isotypes Is the MOST Efficient