7/13/25, 11:16
AM
UNE MICROBIOLOGY UNIT 5 EXAM QUESTIONS AND
ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
LATEST UPDATE 2025/2026
Terms in this set (119)
Identify how vast Metagenomic sampling
numbers of
microorganisms are
being genetically
characterized
without culturing
them in the
laboratory today.
A. Metagenomic
sampling
B. Column
chromatography
C. Anammox
reactions
1/
31
,7/13/25, 11:16
AM
D. Western blot
analysis
E. Gas
chromatography
The cyclic nucleic acids and amino acids
transformation of
nitrogen is
important because
nitrogen is an
essential
component of
A. lipids and
cholesterol.
B. carbohydrates and
lipids.
C. steroids and lipids.
D. nucleic acids and
amino acids.
Autotroph uses CO2 as a source of carbon
Dead zone hypoxic result of agricultural run-off
Denitrification conversion of nitrate (NO3-) to nitrogen
2/
31
,7/13/25, 11:16
AM
gas (N2)
Diazotroph non-symbiotic nitrogen-fixing bacteria
Nitrite combines with hemoglobin to reduce O2
capacity of blood
Phosphorus cycle results in eutrophication from detergent
waste water run-off
Anaerobic mutualistic rumen microflora
fermentation
Rhizobia endosymbiotic nodule nitrogen-fixer
Chemolithoautotr symbiotic primary producer in
oph hydrothermal vent
Nitrogen fixation conversion of gaseous nitrogen (N2) to
ammonia (NH4+)
Putrefaction end result of microbial succession
Microbial mat organized by quorum sensing
Thiomargarita All of the choices apply
namibiensis is found
in an
environmental
sample. Which of
the
following should
3/
31
, 7/13/25, 11:16
AM
then apply to this
sample?
A. contains
chemolithotroph
s
B. elemental sulfur is
providing electrons
C. obtained from the
ocean
D. there are no larger
bacteria present
E. All of the choices
apply.
The primary bacteria and fungi
decomposers of
dead organic
matter are
microorganisms
such as
A. chlamydiae and
4/
31
AM
UNE MICROBIOLOGY UNIT 5 EXAM QUESTIONS AND
ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
LATEST UPDATE 2025/2026
Terms in this set (119)
Identify how vast Metagenomic sampling
numbers of
microorganisms are
being genetically
characterized
without culturing
them in the
laboratory today.
A. Metagenomic
sampling
B. Column
chromatography
C. Anammox
reactions
1/
31
,7/13/25, 11:16
AM
D. Western blot
analysis
E. Gas
chromatography
The cyclic nucleic acids and amino acids
transformation of
nitrogen is
important because
nitrogen is an
essential
component of
A. lipids and
cholesterol.
B. carbohydrates and
lipids.
C. steroids and lipids.
D. nucleic acids and
amino acids.
Autotroph uses CO2 as a source of carbon
Dead zone hypoxic result of agricultural run-off
Denitrification conversion of nitrate (NO3-) to nitrogen
2/
31
,7/13/25, 11:16
AM
gas (N2)
Diazotroph non-symbiotic nitrogen-fixing bacteria
Nitrite combines with hemoglobin to reduce O2
capacity of blood
Phosphorus cycle results in eutrophication from detergent
waste water run-off
Anaerobic mutualistic rumen microflora
fermentation
Rhizobia endosymbiotic nodule nitrogen-fixer
Chemolithoautotr symbiotic primary producer in
oph hydrothermal vent
Nitrogen fixation conversion of gaseous nitrogen (N2) to
ammonia (NH4+)
Putrefaction end result of microbial succession
Microbial mat organized by quorum sensing
Thiomargarita All of the choices apply
namibiensis is found
in an
environmental
sample. Which of
the
following should
3/
31
, 7/13/25, 11:16
AM
then apply to this
sample?
A. contains
chemolithotroph
s
B. elemental sulfur is
providing electrons
C. obtained from the
ocean
D. there are no larger
bacteria present
E. All of the choices
apply.
The primary bacteria and fungi
decomposers of
dead organic
matter are
microorganisms
such as
A. chlamydiae and
4/
31
