Exam 2 UTA Microbiology Questions With Complete
Solutions
A nonsegmented worm Correct Answers Nematode
A segmented worm with male and female reproductive organs
Correct Answers Cestode
A virus obtains it's envelope during which phase? Correct
Answers Release
An enzyme from HIV that can make a copy of DNA from RNA
is called _______________________. Correct Answers
reverse transcriptase
Cell abnormalities resulting from a viral infection are called
Correct Answers cytopathic effects
Define oligotrophs Correct Answers organisms that live in a
low nutrient environment
Describe a holozoic protist Correct Answers takes in whole
particles or bacterial cells
Describe a saprozoic protist Correct Answers takes in small
molecules
Describe amensalism Correct Answers One organism is
harmed, the other is unaffected
,Describe commensalism Correct Answers one organism
benefits and the other is unaffected
Describe mutualism Correct Answers Both organisms benefit
Describe neutralism Correct Answers both organisms are
unaffected
Describe parasitism Correct Answers One organism benefits
and the other is harmed
describe the cyst stage Correct Answers encapsulated stage to
protect the organism
describe the function of a cytostome Correct Answers takes up
food and nutrients
Describe the shape of the staphylococcus genus Correct
Answers cocci
Describe the Sulfolobus genus Correct Answers Can be
thermophiles or acidophilus; aerobes or anaerobes
Describe the trophozoite life stage Correct Answers growth
and feeding stage
Do microbes in phylum actinobacteria have a high or low G+C
content? Correct Answers High
Do microbes in phylum firmicutes have a high or low G+C
content? Correct Answers Low
, During tissue growth, what causes mitosis to end? Correct
Answers Contact inhibition
How are phototrophic bacteria classified? Correct Answers
their function
How are viruses classified? Correct Answers Genetics,
chemistry, morphology, & mechanism for replication
How can archaea be distinguished from other prokaryotes?
Correct Answers Membranes with branched isoprene chains &
ether linkages to phosphate heads
How do prions differ from viruses? Correct Answers prions do
not include any nucleic acids
How do viroids differ from viruses? Correct Answers Viroids
do not have a capsid
How do virusoids differ from viruses? Correct Answers
Virusoids cannot self-replicate & only contain negative ssRNA
How does replication of viral infection differ from prokaryotes
to eukaryotes? Correct Answers Prokaryotes- replicate in
cytoplasm
Eukaryotes- replicate in nucleus
How is gram positive bacteria grouped? Correct Answers By
guanine and cytosine content
Solutions
A nonsegmented worm Correct Answers Nematode
A segmented worm with male and female reproductive organs
Correct Answers Cestode
A virus obtains it's envelope during which phase? Correct
Answers Release
An enzyme from HIV that can make a copy of DNA from RNA
is called _______________________. Correct Answers
reverse transcriptase
Cell abnormalities resulting from a viral infection are called
Correct Answers cytopathic effects
Define oligotrophs Correct Answers organisms that live in a
low nutrient environment
Describe a holozoic protist Correct Answers takes in whole
particles or bacterial cells
Describe a saprozoic protist Correct Answers takes in small
molecules
Describe amensalism Correct Answers One organism is
harmed, the other is unaffected
,Describe commensalism Correct Answers one organism
benefits and the other is unaffected
Describe mutualism Correct Answers Both organisms benefit
Describe neutralism Correct Answers both organisms are
unaffected
Describe parasitism Correct Answers One organism benefits
and the other is harmed
describe the cyst stage Correct Answers encapsulated stage to
protect the organism
describe the function of a cytostome Correct Answers takes up
food and nutrients
Describe the shape of the staphylococcus genus Correct
Answers cocci
Describe the Sulfolobus genus Correct Answers Can be
thermophiles or acidophilus; aerobes or anaerobes
Describe the trophozoite life stage Correct Answers growth
and feeding stage
Do microbes in phylum actinobacteria have a high or low G+C
content? Correct Answers High
Do microbes in phylum firmicutes have a high or low G+C
content? Correct Answers Low
, During tissue growth, what causes mitosis to end? Correct
Answers Contact inhibition
How are phototrophic bacteria classified? Correct Answers
their function
How are viruses classified? Correct Answers Genetics,
chemistry, morphology, & mechanism for replication
How can archaea be distinguished from other prokaryotes?
Correct Answers Membranes with branched isoprene chains &
ether linkages to phosphate heads
How do prions differ from viruses? Correct Answers prions do
not include any nucleic acids
How do viroids differ from viruses? Correct Answers Viroids
do not have a capsid
How do virusoids differ from viruses? Correct Answers
Virusoids cannot self-replicate & only contain negative ssRNA
How does replication of viral infection differ from prokaryotes
to eukaryotes? Correct Answers Prokaryotes- replicate in
cytoplasm
Eukaryotes- replicate in nucleus
How is gram positive bacteria grouped? Correct Answers By
guanine and cytosine content
