All the following are features of Endotoxins Except
Correct Answer: Proteins
Description: Distinguishing features of exotoxins and endotoxinsExotoxinsEndotoxinsProteinsLipopolysaccharidesHeat-labileHeat StableActively secreted by cells; diffuse into surrounding mediumForm pa of the cell wall; do not diffuse into surrounding mediumReadily separable from cultures by physical means such as filtrationObtained only by cell lysisAction often enzymicNo enzymatic actionSpecific pharmacological effect for each exotoxinEffect nonspecific; action common to all endotoxinsSpecific tissue affinitiesNo specific tissue affinityActive in very minute dosesActive only in very large dosesHighly antigenicWeakly antigenicAction specifically neutralized by antibodyNeutralisation by antibody ineffectiveRef: Ananthanarayan; 7th edition; Page no: 67
Category:
Microbiology
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