There are ________ different classes of immunoglobulins

A) seven
B) ten
C) four
D) five


D
Explanation: A) This is not the correct number.
B) This is not the correct number.
C) This is not the correct number.
D) Correct! There are five classes: IgA, IgD, IgE, IgG, and IgM.

Health & Biomechanics

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