Portion of immunoglobulin molecule with molecular weight to 50000_________________?
Correct answer: B. H chain
- A. Secretory piece
- B. H chain
- C. L chain
- D. J piece
Explanation
The immunoglobulin heavy chain has a molecular weight of about 50,000 to 75,000 daltons, whereas a light chain is approximately 25,000 daltons. Secretory and J pieces are much smaller accessory components.
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