Genus Bacillus Morphology and Pathogenicity Quiz

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11 Questions

At what temperature do the spores of Bacillus anthracis form?

40°C

What is the most pathogenic species in the genus Bacillus?

Bacillus anthracis

What is the morphology of Bacillus anthracis in tissues?

Short chains with rounded ends of cells

What is the composition of the capsule of Bacillus anthracis?

Polymers of D-glutamic acid and polysaccharide

How are the colonies of Bacillus anthracis described on agar?

Ground glass-like appearance with locks of wavy hair

How are vegetative cells of Bacillus anthracis destroyed?

Enzymes and putrefactive bacteria

What are the major anthrax enzootic zones mentioned in the text?

India, Pakistan, Africa, South America

How is anthrax infection typically transmitted according to the text?

Through ingestion of spores

What is the main cause of death in animals infected with anthrax?

Extracellular toxin release

What is the source of anthrax infection mentioned in the text?

Bloodsucking flies and carrion eaters

Which component listed below is NOT part of the anthrax toxin complex mentioned in the text?

Hyperactive agent (HA)

Test your knowledge on the morphology and pathogenicity of Bacillus species, focusing on key characteristics such as shape, gram staining, and capsule formation. Learn about the most pathogenic species, Bacillus anthracis, and its effects on different organisms.

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