Microorganisms and Disease
The toxins produced by bacteria

kill viruses
All of these
encourage bacterial reproduction
interfere with physiological processes in the body

ANSWER DOWNLOAD EXAMIANS APP

Microorganisms and Disease
The influenza vaccine is administered each year because

it is a polysaccharide vaccine that does not confer long-term protection
None of these
the vaccine is sufficiently toxic to make it necessary to administer only a small amount at any one time
mutations in the viral hemagglutinin may allow the virus to evade the immune response elicited by previous vaccines

ANSWER DOWNLOAD EXAMIANS APP

Microorganisms and Disease
Prontosil is

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

ANSWER DOWNLOAD EXAMIANS APP