MCQOPTIONS
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MCQOPTIONS
| 1. |
Each IgA antibody molecule consists of |
| A. | two polypeptide chain and has one antigen binding site |
| B. | four polypeptide chain and has two antigen binding site |
| C. | two polypeptide chain and has two antigen binding site |
| D. | three polypeptide chain and has two antigen binding site |
| Answer» C. two polypeptide chain and has two antigen binding site | |