Each IgA antibody molecule consists of – McqOptions

MCQOPTIONS

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

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