MBIO 3401 Exam 3
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In anoxygenic H2O
photosynthesis, which
compound (or
compounds) is (are) used
by purple and green
bacteria as a source of
electrons for the
reduction of CO2?
In an ecological sense, the avoid direct competition by absorbing different
variety of photosynthetic wavelengths of light
pigments found among
different groups of
photosynthetic bacteria
allows them to:
Rickettsias and they are both obligate intracellular parasites of
Chlamydias are two eukaryotes
unrelated groups of
bacteria that nevertheless
share a unique
characteristic. This
characteristic is:
what important soil nitrification
process are these
chemolithotrophic
bacteria involved in?
, a student in lab inoculates he left lids on the spread plates and the ultraviolet
several spread plates of E. light was unable to penetrate the plastic barrier
coli and then irradiated
them with ultraviolet light
to determine the rate of
cell killing. No decrease
was seen in the number of
colonies on the irradiated
plates compared to the
non-irradiated plates.
What mistake did this
student probably make?
spirochetes that are two or more of the above answers are correct
known human pathogens
include:
As discussed in lecture, nitrobacter
which of the following
bacteria are aerobic
chemolithotrophs?
The hypothesis has been swim in the direction of a microaerophilic environment
proposed that
magnetotactic bacteria
sense the Earth's magnetic
field in order to:
What evidence suggest fossilized stromatolites
that cyanobacteria-like
ancestor were present on
the Earth as early as 3.5
billion years ago?
Many of the spirilla
magnetotactic bacteria
are found among the:
Save
In anoxygenic H2O
photosynthesis, which
compound (or
compounds) is (are) used
by purple and green
bacteria as a source of
electrons for the
reduction of CO2?
In an ecological sense, the avoid direct competition by absorbing different
variety of photosynthetic wavelengths of light
pigments found among
different groups of
photosynthetic bacteria
allows them to:
Rickettsias and they are both obligate intracellular parasites of
Chlamydias are two eukaryotes
unrelated groups of
bacteria that nevertheless
share a unique
characteristic. This
characteristic is:
what important soil nitrification
process are these
chemolithotrophic
bacteria involved in?
, a student in lab inoculates he left lids on the spread plates and the ultraviolet
several spread plates of E. light was unable to penetrate the plastic barrier
coli and then irradiated
them with ultraviolet light
to determine the rate of
cell killing. No decrease
was seen in the number of
colonies on the irradiated
plates compared to the
non-irradiated plates.
What mistake did this
student probably make?
spirochetes that are two or more of the above answers are correct
known human pathogens
include:
As discussed in lecture, nitrobacter
which of the following
bacteria are aerobic
chemolithotrophs?
The hypothesis has been swim in the direction of a microaerophilic environment
proposed that
magnetotactic bacteria
sense the Earth's magnetic
field in order to:
What evidence suggest fossilized stromatolites
that cyanobacteria-like
ancestor were present on
the Earth as early as 3.5
billion years ago?
Many of the spirilla
magnetotactic bacteria
are found among the:
