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

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 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

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

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Microorganisms and Disease
Pseudomembraneous colitis is

precipitated by the use of certain antibiotics

All of these

caused by a spore-forming bacterium

caused by a gram-positive bacterium

precipitated by the use of certain antibiotics

All of these

caused by a spore-forming bacterium

caused by a gram-positive bacterium

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Microorganisms and Disease
Both Mycobacterium tuberculosis and Streptococcus pneumoniae

have cell walls that contain a high content of mycolic acids

stay in the lung and rarely, if ever, enter the bloodstream

have polysaccharide capsules

are acquired by inhalation

have cell walls that contain a high content of mycolic acids

stay in the lung and rarely, if ever, enter the bloodstream

have polysaccharide capsules

are acquired by inhalation

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Microorganisms and Disease
Lactoferrin helps to protect against pathogens by

lowering the pH

facilitating the growth of normal flora

sequestering Iron

blocking sebum production

lowering the pH

facilitating the growth of normal flora

sequestering Iron

blocking sebum production

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Microorganisms and Disease
The nature of the poliovirus gives for oral vaccination (satin vaccine) as part of the eradication programme is

heat killed virus

formalin-inactivated viruses

live attenuated strains of all three immunological types

small dosage of wild-type live viruses

heat killed virus

formalin-inactivated viruses

live attenuated strains of all three immunological types

small dosage of wild-type live viruses

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

Dehydration and loss of nutrients

the toxin produced by the bacterium

Too little water in the food stream

Faulty carrier proteins

Dehydration and loss of nutrients

the toxin produced by the bacterium

Too little water in the food stream

Faulty carrier proteins

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Microorganisms and Disease

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

Microorganisms and Disease Pseudomembraneous colitis is

Microorganisms and Disease Both Mycobacterium tuberculosis and Streptococcus pneumoniae

Microorganisms and Disease Lactoferrin helps to protect against pathogens by

Microorganisms and Disease The nature of the poliovirus gives for oral vaccination (satin vaccine) as part of the eradication programme is

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

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

Microorganisms and Disease
Pseudomembraneous colitis is

Microorganisms and Disease
Both Mycobacterium tuberculosis and Streptococcus pneumoniae

Microorganisms and Disease
Lactoferrin helps to protect against pathogens by

Microorganisms and Disease
The nature of the poliovirus gives for oral vaccination (satin vaccine) as part of the eradication programme is

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