Microorganisms and Disease
Lactoferrin helps to protect against pathogens by

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

ANSWER DOWNLOAD EXAMIANS APP

Microorganisms and Disease
The "A" subunit of diphtheria toxin

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

ANSWER DOWNLOAD EXAMIANS APP

Microorganisms and Disease
Which of the following characteristic of the Rotavirus was important for the construction of the Rotashield vaccine?

The ability of the Rotavirus to be transmitted faster
The ability of monkey Rotavirus strains to cause serious illness (diarrhea) in human beings
The possession of a segmented RNA genome
A limited number of capsule types

ANSWER DOWNLOAD EXAMIANS APP