PHMY 610 BACTERIAL TAXONOMY EXAM
QUESTIONS AND ANSWERS
which of the following is a gram-positive, aerobic cocci that is ALSO catalase-
positive
staphylococcus
-
name two gram-positive, aerobic cocci
staphylococcus and streptococcus
-
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name two gram-positive, aerobic rods
listeria and nocardia
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clostridium is a __________ (gram positive or negative) rod and is an
__________ (aerobe or anaerobe)
gram-positive, anaerobe
-
which gram-positive anaerobe is spore-forming
clostridium spp.
name the three gram positive, anaerobic rods
clostridium, actinomyces, and cutibacterium
-
peptostreptococcus is a __________ (gram positive or negative) cocci and is an
________ (aerobe or anaerobe)
, gram positive, anaerobe
-
name one gram negative, aerobic diplococci
neisseria
-
if gram negative, aerobic rod, what is next step for differentiation
does it grow on MacConkey agar?
-
if gram negative, aerobic rod, and does not grow on MacConkey agar --> what
group of bacteria is it?
fastidious, non enterics
what are the three bacteria that are considered fastidious non-enterics (gram
negative, aerobic rods that do not grow on MacConkey agar)
Haemophilus, Campylobacter, Helicobacter pylori
-
if gram negative, aerobic rod, and does grow on MacConkey agar --> what is
next differentiation?
is it a lactose fermenter?
-
if gram negative, aerobic rod, does grow on MacConkey agar, and is a lactose
fermenter --> what four genus of bacteria?
Citrobacter, Escherichia coli, Enterobacter, Klebsiella
if gram negative, aerobic rod, does grow on MacConkey agar, and is a lactose
fermenter --> what is next differentiation step
spot indole test
-
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