MICRO FINAL EXAM PORTAGE
LEARNING 2026/2027 ACTUAL
QUESTIONS WITH VERIFIED
ANSWERS.
The number of phases (3 vs. 4) and/or the number of times a
loop passes through a previous phase (once vs. multiple times)
is acceptable provided what happens? - correct answer-The
resulting gradient has in it the growth of individual colonies.
True or False. To restrict the growth of a pathogenic microbe a
researcher might decrease an incubator from 37°C to 25°C. -
correct answer-True
When given an unknown bacterial sample the first step is to
expand the current bacterial population. Which form of media
best suites this need? Why? - correct answer-LB media
because all of the other forms are selective media meaning
they may potentially inhibit the growth of the unknown sample.
, True or False. Only directly ingesting the pre-formed clostridium
toxin (neither the bacteria nor its spores) will cause disease in
adults. - correct answer-True
True or False. There are currently no cures for tetanus. -
correct answer-True
The alpha-toxin perfringolysin is associated with which medical
condition caused by Gram-positive anaerobic bacteria?
Gas gangrene
Tetanus
Leprosy
Botulism - correct answer-Gas gangrene
True or False. Bubonic plague is often characterized by
painfully swollen lymph nodes. - correct answer-True
List the following disease: - correct answer-Anthrax
LEARNING 2026/2027 ACTUAL
QUESTIONS WITH VERIFIED
ANSWERS.
The number of phases (3 vs. 4) and/or the number of times a
loop passes through a previous phase (once vs. multiple times)
is acceptable provided what happens? - correct answer-The
resulting gradient has in it the growth of individual colonies.
True or False. To restrict the growth of a pathogenic microbe a
researcher might decrease an incubator from 37°C to 25°C. -
correct answer-True
When given an unknown bacterial sample the first step is to
expand the current bacterial population. Which form of media
best suites this need? Why? - correct answer-LB media
because all of the other forms are selective media meaning
they may potentially inhibit the growth of the unknown sample.
, True or False. Only directly ingesting the pre-formed clostridium
toxin (neither the bacteria nor its spores) will cause disease in
adults. - correct answer-True
True or False. There are currently no cures for tetanus. -
correct answer-True
The alpha-toxin perfringolysin is associated with which medical
condition caused by Gram-positive anaerobic bacteria?
Gas gangrene
Tetanus
Leprosy
Botulism - correct answer-Gas gangrene
True or False. Bubonic plague is often characterized by
painfully swollen lymph nodes. - correct answer-True
List the following disease: - correct answer-Anthrax
