Studies by Emil von Behring and Shibasaburo Kitasato demonstrated that inactivated toxins can induce the synthesis of antitoxins in the blood of rabbits. These antitoxins (antibodies) are the basis of

A. humoral immunity.
B. phagocyte-mediated immunity.
C. cell-mediated immunity.
D. antibiotic immunity.


Answer: A

Biology & Microbiology

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What will be an ideal response?

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