Specific immunity in the extracellular fluid is provide by mainly
A. IgA and IgE.
B. IgG and IgM.
C. IgE and IgG.
D. IgM and IgD.
E. IgD and IgA.
Answer: B
Biology & Microbiology
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This bone is found in front of the knee joint:
a. Calcaneus b. Ulna c. Tibia d. Patella.
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Animals that have no circulatory systems tend to be
a. small. b. cylindrical. c. flattened. d. composed of filaments made of cells. e. any of these.
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Infections caused by gram-negative bacilli are often treated with ________.
A. vancomycin B. synercid C. penicillin G D. isoniazid E. aminoglycosides
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