Using a capillary tube, a layer of organism suspension is placed over a layer of Group A Streptococcus antiserum. If the two are homologous, a precipitin ring will appear
A) in the area of postzone. B) in the area of prozone.
C) in the zone of equivalence. D) throughout the tube.
C
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What will be an ideal response?
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Which of the following types of agents increases the viscosity of a suspension?
Mucilage Thickening agent Flocculating agent Emulsifier
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