Microorganisms and Disease Pseudomembraneous colitis is All of these precipitated by the use of certain antibiotics caused by a gram-positive bacterium caused by a spore-forming bacterium All of these precipitated by the use of certain antibiotics caused by a gram-positive bacterium caused by a spore-forming bacterium ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The toxins produced by bacteria encourage bacterial reproduction All of these interfere with physiological processes in the body kill viruses encourage bacterial reproduction All of these interfere with physiological processes in the body kill viruses ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Both Mycobacterium tuberculosis and Streptococcus pneumoniae stay in the lung and rarely, if ever, enter the bloodstream are acquired by inhalation have cell walls that contain a high content of mycolic acids have polysaccharide capsules stay in the lung and rarely, if ever, enter the bloodstream are acquired by inhalation have cell walls that contain a high content of mycolic acids have polysaccharide capsules ANSWER DOWNLOAD EXAMIANS APP
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 Dehydration and loss of nutrients the toxin produced by the bacterium Faulty carrier proteins Too little water in the food stream Dehydration and loss of nutrients the toxin produced by the bacterium Faulty carrier proteins ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which is not a major defense mechanism in the stomach? Low pH Proteolytic enzymes All of these Dense normal flora Low pH Proteolytic enzymes All of these Dense normal flora 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 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 cleavage of rRNA that results in disruption of ribosome function ADP ribosylation of adenylate cyclase that stops production of cAMP 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 cleavage of rRNA that results in disruption of ribosome function ADP ribosylation of adenylate cyclase that stops production of cAMP ANSWER DOWNLOAD EXAMIANS APP
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