Human immunoglobulins are divided based on_____________?
Correct answer: B. Structural differences
- A. Functional differences
- B. Structural differences
- C. Complemented fixation
- D. None of the above
Explanation
Human immunoglobulin classes are distinguished primarily by structural differences in their heavy chains, which also produce functional differences. Complement fixation is an immune assay, not the basis for classifying immunoglobulins.
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