Microbiology Exam 1 SLCC Lisa Davis
ACTUAL Questions and CORRECT
Answers
Which of the following is true of archaea that produce methane? - CORRECT ANSWER -
They live in the most extreme environments
Archaea and Bacteria are most similar in terms of their _______? - CORRECT
ANSWER - Unicellular structure
Which of these deeply branching bacteria is considered a polyextremophile? - CORRECT
ANSWER - Deinococcus radiodurans`
The term "deeply branching" refers to which of the following? - CORRECT ANSWER -
The position in the evolutionary tree of deeply branching bacteria
Which of the following bacterial species is classified as high G+C gram-positive? - CORRECT
ANSWER - Corynebacterium diphtheriae
Which of the following refers to photosynthesis performed by bacteria with the use of water as
the donor of electrons? - CORRECT ANSWER - Oxygenic
Which of the following bacteria are the most prevalent in the human gut? - CORRECT
ANSWER - Bacteroides
Which of the folliwing is the organelle that spirochetes use to propel themselves? - CORRECT
ANSWER - Axial filament
Haemophilus influenzar is a common cause of which of the following? - CORRECT
ANSWER - Upper respiratory tract infections
, Class Betaproteobacteria includes all but which of the following genera? - CORRECT
ANSWER - Campylobacter
All Alphaproteobacteria are which of the following? - CORRECT ANSWER - Oligotrophs
Which of the following describes proteobacteria in domain bacteria? - CORRECT
ANSWER - Phylum
Which of the following refers to the type of interaction between two prokaryotic populations in
which one population benefits and the other is not affected? - CORRECT ANSWER -
Commensalism
The term microbiota refers to which of the following? - CORRECT ANSWER - All
microorganisms in a certain region of the human body
The term prokaryotes refers to which of the following? - CORRECT ANSWER -
Unicellular organisms that have no nucleus
Archae - CORRECT ANSWER - Found in extreme environments
Alphabacteria - CORRECT ANSWER - Can grow in low nutrient environments
Betaproteobacteria - CORRECT ANSWER - Requires lots of nutrients
Gammaproteobacteria - CORRECT ANSWER - Largest and most diverse class of
proteobacteria
Epsilonproteobacteria - CORRECT ANSWER - Contains pathogens that cause ulcers and
food poisoning
ACTUAL Questions and CORRECT
Answers
Which of the following is true of archaea that produce methane? - CORRECT ANSWER -
They live in the most extreme environments
Archaea and Bacteria are most similar in terms of their _______? - CORRECT
ANSWER - Unicellular structure
Which of these deeply branching bacteria is considered a polyextremophile? - CORRECT
ANSWER - Deinococcus radiodurans`
The term "deeply branching" refers to which of the following? - CORRECT ANSWER -
The position in the evolutionary tree of deeply branching bacteria
Which of the following bacterial species is classified as high G+C gram-positive? - CORRECT
ANSWER - Corynebacterium diphtheriae
Which of the following refers to photosynthesis performed by bacteria with the use of water as
the donor of electrons? - CORRECT ANSWER - Oxygenic
Which of the following bacteria are the most prevalent in the human gut? - CORRECT
ANSWER - Bacteroides
Which of the folliwing is the organelle that spirochetes use to propel themselves? - CORRECT
ANSWER - Axial filament
Haemophilus influenzar is a common cause of which of the following? - CORRECT
ANSWER - Upper respiratory tract infections
, Class Betaproteobacteria includes all but which of the following genera? - CORRECT
ANSWER - Campylobacter
All Alphaproteobacteria are which of the following? - CORRECT ANSWER - Oligotrophs
Which of the following describes proteobacteria in domain bacteria? - CORRECT
ANSWER - Phylum
Which of the following refers to the type of interaction between two prokaryotic populations in
which one population benefits and the other is not affected? - CORRECT ANSWER -
Commensalism
The term microbiota refers to which of the following? - CORRECT ANSWER - All
microorganisms in a certain region of the human body
The term prokaryotes refers to which of the following? - CORRECT ANSWER -
Unicellular organisms that have no nucleus
Archae - CORRECT ANSWER - Found in extreme environments
Alphabacteria - CORRECT ANSWER - Can grow in low nutrient environments
Betaproteobacteria - CORRECT ANSWER - Requires lots of nutrients
Gammaproteobacteria - CORRECT ANSWER - Largest and most diverse class of
proteobacteria
Epsilonproteobacteria - CORRECT ANSWER - Contains pathogens that cause ulcers and
food poisoning
