Multiple Choice
Which of the following regarding IgM immunoglobulin is correct?
A) It serves as the B-cell surface receptor for antigen attachment.
B) It is found in milk and tears.
C) It mediates common allergies such as hay fever, asthma, and hives.
D) It is the most abundant antibody produced by plasma cells.
Correct Answer:
Verified
Correct Answer:
Verified
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