Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
Antigenic determinant sites bind to which portions of an antibody molecule ? (1) light chain (2) heavy chain (3) intermediate chains (4) plasma cellsA) 1, 2 and 3 are correct
B) 1 and 2 are correct
C) 2 and 4 are correct
D) 1 and 3 are correct
Correct Answer: B
Solution :
Antigenic determinants (epitope) are the sites over the antigens that are recognised by antibodies. Antibodies combine with antigenic determinants by its paratope region formed by one light chain and one heavy chain.
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