Microorganisms and Disease
Lactoferrin helps to protect against pathogens by

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

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Microorganisms and Disease
The "A" subunit of diphtheria toxin

lysis macrophages with the release of cytokines
forms cAMP that leads to fluid accumulation
cause ADP ribosylation of a factor involved in protein synthesis
binds host cell receptors found on heart cells

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