Following are some statements regarding the primary and secondary antibody response in humans. All the statements are correct except
(A)Lag period (time between introduction of antigen and appearance of antibodies in blood) in primary response is longer than that in secondary response
(B)Predominant isotype produced in primary response is IgM while that in secondary response is IgG
(C)Primary antibodies have a higher affinity for antigen as compared to secondary antibodies
(D)Primary immune response is more quicker and intense than secondary immune responseCorrect
Answer: (D)
Solution
It is actually the secondary immune response, not the primary response, that is quicker and more intense
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