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MicrobiologyLab20

Questions about "Hemolysis"

QuestionAnswer
Beta hemolysis is indicated by a ________ zone around a colony. colorless or clear
Hemolysis is best observed against a ________ background. white or light
The medium used to detect hemolysis production is _____ ________ ________ ________. 5% sheep blood agar
Hemolysins are (exoenzymes/endoenzymes). exoenzymes
Alpha hemolysis is indicated by a ________ zone around a colony. greenish and/or cloudy
Pathogenic strains of streptococci are usually ________ hemolytic. beta
True or false: The concentration of blood in the medium is a determining factor for the length of incubation at 37°C False.
Created by: NeuroHeart