Microorganisms and Disease
In the human disease cholera, what is it that actually ends up killing the victim?

Too little water in the food stream
Faulty carrier proteins
Dehydration and loss of nutrients
the toxin produced by the bacterium

ANSWER DOWNLOAD EXAMIANS APP

Microorganisms and Disease
Prontosil is

not used as an antibacterial agent
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

ANSWER DOWNLOAD EXAMIANS APP

Microorganisms and Disease
Cholera toxin is an A-B type toxin in which the B portions bind to a receptor on a host cell and the A portion enters the cell to cause

cleavage of rRNA that results in disruption of ribosome function
ADP ribosylation of a G protein that locks it into an active form that stimulates adenylate cyclase to make cAMP
ADP ribosylation of guanylate cyclase that stimulates production of cGMP
ADP ribosylation of adenylate cyclase that stops production of cAMP

ANSWER DOWNLOAD EXAMIANS APP