

Antigen - Medical Science
Q1: The antibiotic penicillin is a small molecule that does not induce antibody formation. However, penicillin binds to serum proteins and forms a complex that in some people induces antibody formation resulting in an allergic reaction. Penicillin is thereforeA an antigen
B a hapten
C an immunogen
D both an antigen and a hapten
ANS:D - both an antigen and a hapten I correct answer is D, because an antigen is a substance which is specifically bound by antibodies or T-lymphocyte antigen receptors and further still which can stimulate the production of or gets recognized by antibodies. Meanwhile, a hapten is a low molecular weight compound which binds with antibodies but does not induce an immune response. |


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