Microorganisms and Disease
Lactoferrin helps to protect against pathogens by

sequestering Iron
blocking sebum production
facilitating the growth of normal flora
lowering the pH

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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
not used as an antibacterial agent
an effective antibacterial when used in animals

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

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

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