Microorganisms and Disease
Which of the following is common in the disease caused by Coryne-bacterium diphtheriae and Bacillus anthracis?

Both organisms are gram-positive spore formers
The most serious disease symptoms are the direct result of toxin action
Diphtheria toxin and edema toxin are ADP ribosylating toxins
Both organisms cause skin and respiratory tract infections

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Microorganisms and Disease
A major difference between EHEC and EPEC is

EHEC secretes a Shiga-like toxin and EPEC does not
EHEC possesses a type III secretion system and EPEC does not
EPEC rearranges host cell actin and EHEC does not
EPEC passes through the placenta to infect the fetus and EHEC does not

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Microorganisms and Disease
Prontosil is

an effective antibacterial both in animals as well as in in-vitro cultures
an effective antibacterial when used in in-vitro cultures
an effective antibacterial when used in animals
not used as an antibacterial agent

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