Which of the following statement(s) is/are true concerning the antibody response to an invading antigen?
A. All antibodies are composed of one type of heavy and one type of light protein chain
B. The carboxyl terminus of the heavy chain is the antigen binding site
C. Antibody of the immunoglobulin G class is the initial antibody produced in response to an antigenic stimulus
D. Immunoglobulins A, D, and E play an active role in the circulating humoral response
Answer:A
Which of the following statement(s) is/are true concerning the antibody response to an invading antigen?
A. All antibodies are composed of one type of heavy and one type of light protein chain B. The carboxyl terminus of the heavy chain is the antigen binding site C. Antibody of the immunoglobulin G class is the initial antibody produced in response to an antigenic stimulus D. Immunoglobulins A, D, and E play an active role in the circulating humoral response