Macrophage chemotactic factor is –
Correct Answer: Chymotrypsin sensitive
Description: Ans is 'b' i.e.,Chymotrypsin sensitive (Ref Immunology p. 278)Macrophage chemotactic factor propeies has Low molecular weight (12000), has a isoelectric points of 10.1 & 5.6, and is sensitive to treatment by chymotrypsin while resistant to RNase and neuraminidase.It is heat stable and angenically different from C3 & C5.
Category:
Pathology
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