Science Biology Biochemistry
MBIO 3401 EXAM 3 | PRINCIPLES OF
MICROBIOLOGY EXAM | ALL QUESTIONS
AND CORRECT ANSWERS (DETAILED
ANSWERS) | LATEST EXAM 2025 | GRADED A+
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BCH2333 Final - Quiz Compilation Medical Biochemistry Final, UNE Bio... Intro to Molecular C
Teacher 41 terms Teacher 284 terms Teacher 101 terms
wanjarii777 Preview andrewkin2 Preview Kivwalu_Israel
The algal and fungal interaction a)mutualism
within a lichen is best described
as
a)mutualism.
b)synergism.
c)commensalism.
d)amensalism.
e)parasitism.
All of the following statements c)Grazers convert 10% of producer carbon back to CO2.
about food webs in ecosystems
are true EXCEPT:
a)Primary producers assimilate
minerals into biomass.
b)Primary producers absorb
energy from outside the
ecosystem.
c)Grazers convert 10% of
producer carbon back to CO2.
d)Consumers convert 90% of
biomass carbon to atmospheric
CO2.
e)All biomass is recycled and
eventually converted to heat.
,All of the following statements d) It catalyzes the addition of CO2 to xylulose 5 phosphate.
about Rubisco are true EXCEPT
a)It is found in carboxysomes in
many bacteria.
b)It is one of the most prevalent
proteins on Earth.
c)It consists of small (S) and
large (L) subunits.
d)It catalyzes the addition of
CO2 to xylulose 5 phosphate.
Ameboid movement is a)cytoplasmic streaming into the extending pseudopodia.
controlled by
a)cytoplasmic streaming into the
extending pseudopodia.
b)paired flagella formations
extending off of the cell
membrane.
c)cilia structures surrounding the
cell.
d)regulation of osmotic and gas
vacuoles within the cytoplasm.
e)barophilic pumps within the
cell membrane.
Archaea of the genus _______ are a) Sulfolobus
known as double extremophiles,
because they require high
temperature and high acidity
simultaneously.
a) Sulfolobus
b) Desulfurococcus
c) Ignicoccus
d) Thermosphaera
e) Pyrodictium
As artic permafrost thaws, it a)The metabolic output of methanogens must be greater than
accelerates the microbial that of methanotrophs.
decomposition of dead plant
matter. This process increases
radiative forcing by releasing
methane into the atmosphere.
Therefore, in this environment:
a)The metabolic output of
methanogens must be greater
than that of methanotrophs.
b)The metabolic output of
methanotrophs must be greater
than that of methanogens.
c)The metabolic output of
methanogens must be greater
than that of bacterial and fungal
decomposers.
d)There is not enough
information to answer this
question.
, A bacterial phylum is a group of a)16S ribosomal RNA sequences
organisms that share a common
ancestor that diverged early
from other bacteria, which is
based on
a)16S ribosomal RNA sequences.
b)the presence of certain
plasmids.
c)the size of the genome.
d)having 70S or 80S ribosomes.
e)the presence or absence of a
cell wall.
The causative agent of African e)Trypanosoma brucei
sleeping sickness is
a) Candida albicans.
b) Leishmania major.
c) Cryptosporidium parvum.
d) Giardia lamblia.
e)Trypanosoma brucei.
Chemical indicators of life left in a)biosignatures.
the geological fossil record are
known as
a)biosignatures.
b)microfossils.
c)abiotic artifacts.
d)enzyme markers.
e)biotic matter.
Chlamydiae contain two distinct d)Elementary body/reticulate body
developmental stages. The
__________ stage is metabolically
inert but infectious. The ___________
stage is metabolically active but
noninfectious.
a)Endospore/vegetative cell
b)Vegetative cell/endospore
c)Reticulate body/elementary
body
d)Elementary body/reticulate
body
The combustion of fossil fuels d)Decrease, CO2 is absorbed into the ocean increasing carbonic
leads to a/an ___________ in the pH acid levels
of oceans because ______________.
a)Increase, CO2 is released from
the ocean lowering carbonic
acid levels
b)Increase, CO2 is absorbed
into the ocean increasing
carbonic acid levels
c)Decrease, CO2 is released
from the ocean lowering
carbonic acid levels
d)Decrease, CO2 is absorbed
into the ocean increasing
carbonic acid levels
MBIO 3401 EXAM 3 | PRINCIPLES OF
MICROBIOLOGY EXAM | ALL QUESTIONS
AND CORRECT ANSWERS (DETAILED
ANSWERS) | LATEST EXAM 2025 | GRADED A+
Save
Students also studied
Flashcard sets Study guides
BCH2333 Final - Quiz Compilation Medical Biochemistry Final, UNE Bio... Intro to Molecular C
Teacher 41 terms Teacher 284 terms Teacher 101 terms
wanjarii777 Preview andrewkin2 Preview Kivwalu_Israel
The algal and fungal interaction a)mutualism
within a lichen is best described
as
a)mutualism.
b)synergism.
c)commensalism.
d)amensalism.
e)parasitism.
All of the following statements c)Grazers convert 10% of producer carbon back to CO2.
about food webs in ecosystems
are true EXCEPT:
a)Primary producers assimilate
minerals into biomass.
b)Primary producers absorb
energy from outside the
ecosystem.
c)Grazers convert 10% of
producer carbon back to CO2.
d)Consumers convert 90% of
biomass carbon to atmospheric
CO2.
e)All biomass is recycled and
eventually converted to heat.
,All of the following statements d) It catalyzes the addition of CO2 to xylulose 5 phosphate.
about Rubisco are true EXCEPT
a)It is found in carboxysomes in
many bacteria.
b)It is one of the most prevalent
proteins on Earth.
c)It consists of small (S) and
large (L) subunits.
d)It catalyzes the addition of
CO2 to xylulose 5 phosphate.
Ameboid movement is a)cytoplasmic streaming into the extending pseudopodia.
controlled by
a)cytoplasmic streaming into the
extending pseudopodia.
b)paired flagella formations
extending off of the cell
membrane.
c)cilia structures surrounding the
cell.
d)regulation of osmotic and gas
vacuoles within the cytoplasm.
e)barophilic pumps within the
cell membrane.
Archaea of the genus _______ are a) Sulfolobus
known as double extremophiles,
because they require high
temperature and high acidity
simultaneously.
a) Sulfolobus
b) Desulfurococcus
c) Ignicoccus
d) Thermosphaera
e) Pyrodictium
As artic permafrost thaws, it a)The metabolic output of methanogens must be greater than
accelerates the microbial that of methanotrophs.
decomposition of dead plant
matter. This process increases
radiative forcing by releasing
methane into the atmosphere.
Therefore, in this environment:
a)The metabolic output of
methanogens must be greater
than that of methanotrophs.
b)The metabolic output of
methanotrophs must be greater
than that of methanogens.
c)The metabolic output of
methanogens must be greater
than that of bacterial and fungal
decomposers.
d)There is not enough
information to answer this
question.
, A bacterial phylum is a group of a)16S ribosomal RNA sequences
organisms that share a common
ancestor that diverged early
from other bacteria, which is
based on
a)16S ribosomal RNA sequences.
b)the presence of certain
plasmids.
c)the size of the genome.
d)having 70S or 80S ribosomes.
e)the presence or absence of a
cell wall.
The causative agent of African e)Trypanosoma brucei
sleeping sickness is
a) Candida albicans.
b) Leishmania major.
c) Cryptosporidium parvum.
d) Giardia lamblia.
e)Trypanosoma brucei.
Chemical indicators of life left in a)biosignatures.
the geological fossil record are
known as
a)biosignatures.
b)microfossils.
c)abiotic artifacts.
d)enzyme markers.
e)biotic matter.
Chlamydiae contain two distinct d)Elementary body/reticulate body
developmental stages. The
__________ stage is metabolically
inert but infectious. The ___________
stage is metabolically active but
noninfectious.
a)Endospore/vegetative cell
b)Vegetative cell/endospore
c)Reticulate body/elementary
body
d)Elementary body/reticulate
body
The combustion of fossil fuels d)Decrease, CO2 is absorbed into the ocean increasing carbonic
leads to a/an ___________ in the pH acid levels
of oceans because ______________.
a)Increase, CO2 is released from
the ocean lowering carbonic
acid levels
b)Increase, CO2 is absorbed
into the ocean increasing
carbonic acid levels
c)Decrease, CO2 is released
from the ocean lowering
carbonic acid levels
d)Decrease, CO2 is absorbed
into the ocean increasing
carbonic acid levels
