Biology 2420 - Final Exam Questions And Answers
Living entities, surrounded by a membrane, that are capable of growing, reproducing, responding and metabolizing are known as:
A) Cells
B) biofilms
C) bioreactors - ANS Cells
________ contain a nucleus composed of genetic material surround...
Biology
2420
-
Final
Exam
Living
entities,
surrounded
by
a
membrane,
that
are
capable
of
growing,
reproducing,
responding
and
metabolizing
are
known
as:
A)
Cells
B)
biofilms
C)
bioreactors
-
ANS
Cells
________
contain
a
nucleus
composed
of
genetic
material
surrounded
by
a
membrane:
A)
pseudo
eukaryotes
B)
eukaryotes
C)
prokaryotes
D)
enzymes
-
ANS
Eukaryotes
________
cells
are
those
that
do
not
have
a
membrane-bound
nucleus:
A)
pseudo
eukaryotes
B)
eukaryotes
C)
prokaryotes
D)
fungi
-
ANS
Prokaryotes
Bacteria
are:
A)
eukaryotic
B)
prokaryotic
C)
monokaryotic
D)
monokaryotic
-
ANS
Prokaryotic
Who
demonstrated
that
cell-produced
proteins
called
enzymes
were
responsible
for
chemical
reactions
in
a
cell?
A)
A.
Leeuwenhoek
B)
R.
Koch
C)
L.
Pasteur
D)
J.
Lister
E)
E.
Buchner
-
ANS
E.
Buchner
Proteins
are
polymers
of:
A)
amino
acids
B)
nucleotides
C)
polysaccharides
D)
glucose
-
ANS
Amino
Acids Which
is
an
example
of
a
polysaccharide:
A)
Cellulose
B)
Glucose
C)
Enzymes
D)
pili
-
ANS
Cellulose
Short,
hair-like-
external
structures
of
bacteria
are
called:
A)
cilia
B)
flagella
C)
fimbriae
D)
pseudopodia
-
ANS
Fimbriae
The
monomers
that
make
up
nucleic
acids
are:
A)
nucleotides
B)
amino
acids
C)
lipids
-
ANS
Nucleotides
(uracil,
cytosine,
thymine,
adenine,
and
guanine)
Reactions
that
require
energy
are
called
________
reactions:
A)
endergonic
B)
endothermic
C)
exergonic
D)
exothermic
-
ANS
Endothermic
Has
an
axial
filament:
A)
E.
coli
B)
B.
burgdoferi
C)
S.
aureus
D)
P.
aeruginosa
-
ANS
B.
burgdorferi
A
microbe
is
moving
toward
a
food
source.
This
is
an
example
of:
A)
reproduction
B)
metabolism
C)
responsiveness
D)
growth
-
ANS
Responsiveness
It
is
a
period
characterized
by
cell
doubling.
Metabolic
activity
is
at
maximum
level
in
the
_________
phase
of
growth.
A)
lag
B)
log
C)
death
D)
stationary
-
ANS
Log
The
period
where
the
individual
bacteria
are
maturing
and
not
yet
able
to
divide. A)
lag
B)
log
C)
death
D)
stationary
-
ANS
Lag
Metabolic
activity
stays
halts/ends
&
bacteria
die
is
the
______
phase
of
growth.
A)
lag
B)
log
C)
death
D)
stationary
-
ANS
Death
Where
in
a
bacterial
cell
is
the
most
ATP
generated?
A)
cytoplasmic
membrane
B)
flagella
C)
cytosol
D)
nucleus
E)
mitochondria
-
ANS
Cytoplasm
Membrane
Metabolic
activity
stays
steady
is
the
______
phase
of
growth.
Is
often
due
to
a
growth-limiting
factor
such
as
the
depletion
of
an
essential
nutrient,
and/or
the
formation
of
an
inhibitory
product
such
as
an
organic
acid.
Results
from
a
situation
in
which
growth
rate
and
death
rate
are
equal
A)
lag
B)
log
C)
death
D)
stationary
-
ANS
Stationary
Human
pathogens
are
classified
as:
A)
thermophiles
B)
mesophiles
C)
psychrophiles
-
ANS
Mesophiles
An
organism
that
grows
at
intermediate
temperatures.
Grows
b/t
10-45
degrees
C.
Includes
many
common
types
of
bacteria
and
those
that
live
on/in
warm
blooded.
A)
thermophiles
B)
mesophiles
C)
psychrophiles
-
ANS
Mesophiles
Organisms
that
are
found
in
conditions
hot
enough
that
most
organisms
cannot
tolerate
them.
A)
thermophiles
B)
mesophiles
C)
psychrophiles
-
ANS
Thermophiles
Bacteria
that
prefer
cold,
thriving
at
temperatures
between
0C
and
25C
A)
thermophiles B)
mesophiles
C)
psychrophiles
-
ANS
Psychrophiles
Proteins
that
promote
chemical
reactions
in
the
cell
are
called:
A)
flagella
B)
enzymes
C)
spores
D)
biofilm
-
ANS
Enzymes
NAD
is
a:
A)
Protein
B)
electron-carrier
C)
RNA
-
ANS
Protein
Where
glycolysis
occurs:
A)
cytoplasm
B)
cell
wall
C)
cytoplasm
membrane
-
ANS
Cytoplasm
Pyruvic
acid
is
a
product
of:
A)
ETC
B)
Krebs
cycle
C)
glycolysis
-
ANS
Glycolysis
ATP,
NADH,
FADH2
is
a
product
of:
A)
ETC
B)
Krebs
cycle
C)
glycolysis
-
ANS
Krebs
cycle
Loosely
attached
to
cell
surface
of
some
bacteria
are:
A)
flagella
B)
capsule
C)
fimbria
D)
slime
layer
-
ANS
Slime
layer
Bacterial
communities
that
are
embedded
in
a
self
produced
matrix,
and
are
attached
to
a
surface
are
known
as:
A)
Quorum
sensing
B)
capsule
C)
biofilm
D)
slime
layer
-
ANS
Biofilm
The
sum
of
all
genetic
material
in
a
cell
is
known
as:
A)
Genetics
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