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 a G protein that locks it into an active form that stimulates adenylate cyclase to make cAMP

ADP ribosylation of adenylate cyclase that stops production of cAMP

cleavage of rRNA that results in disruption of ribosome function

ADP ribosylation of guanylate cyclase that stimulates production of cGMP

ADP ribosylation of a G protein that locks it into an active form that stimulates adenylate cyclase to make cAMP

ADP ribosylation of adenylate cyclase that stops production of cAMP

cleavage of rRNA that results in disruption of ribosome function

ADP ribosylation of guanylate cyclase that stimulates production of cGMP

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

Faulty carrier proteins

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

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Microorganisms and Disease
Prontosil is

not used as an antibacterial agent

an effective antibacterial when used in animals

an effective antibacterial both in animals as well as in in-vitro cultures

an effective antibacterial when used in in-vitro cultures

not used as an antibacterial agent

an effective antibacterial when used in animals

an effective antibacterial both in animals as well as in in-vitro cultures

an effective antibacterial when used in in-vitro cultures

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Microorganisms and Disease
Immunization with which of the following toxoid induces high titer serum antibody, but does not protect from the corresponding disease?

Diphtheria

Botulism

Tetanus

Shigellosis

Diphtheria

Botulism

Tetanus

Shigellosis

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Microorganisms and Disease
Both Mycobacterium tuberculosis and Streptococcus pneumoniae

are acquired by inhalation

have polysaccharide capsules

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

have cell walls that contain a high content of mycolic acids

are acquired by inhalation

have polysaccharide capsules

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

have cell walls that contain a high content of mycolic acids

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Microorganisms and Disease
Plastic implants can pose a serious nosocomial infection problem because

phagocytes have trouble moving on the plastic surface

All of these

infected implants usually have to be surgically removed

phagocytes have trouble engulfing bacteria embedded in a biofilm

phagocytes have trouble moving on the plastic surface

All of these

infected implants usually have to be surgically removed

phagocytes have trouble engulfing bacteria embedded in a biofilm

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

Microorganisms and Disease Prontosil is

Microorganisms and Disease Immunization with which of the following toxoid induces high titer serum antibody, but does not protect from the corresponding disease?

Microorganisms and Disease Both Mycobacterium tuberculosis and Streptococcus pneumoniae

Microorganisms and Disease Plastic implants can pose a serious nosocomial infection problem because

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

Microorganisms and Disease
Prontosil is

Microorganisms and Disease
Immunization with which of the following toxoid induces high titer serum antibody, but does not protect from the corresponding disease?

Microorganisms and Disease
Both Mycobacterium tuberculosis and Streptococcus pneumoniae

Microorganisms and Disease
Plastic implants can pose a serious nosocomial infection problem because