The 'theory of opsonization', which explains the mechanism of destruction of pathogenic bacteria was given by

A. Wright and S. Douglas

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Pasteur and Koch

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Solution

The correct option is A A. Wright and S. Douglas
Opsonin is a type of antibody. Opsonins are immunoglobulins of the G class (IgG) and are largely responsible for the body's resistance to bacteria, viruses, and tumors. In 1903, British scientists A. Wright and S. Douglas gave the theory of opsonization which explains the mechanism of destruction of pathogenic bacteria.

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