ap biology cell test
TRANSCRIPT
7/23/2019 AP BIOLOGY CELL TEST
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SATII
Biology
Q2
Test#1
Practice
Dr. Sagha
3-
l .
The most accepted
model
of enzyme
rrnction s
the
(A)
lock and
key model
(B)
conformational
ypothesis
(C)
substrate
model
(D)
nduced
it hypothesis
(E)
noneofthe above
An enzyme
an overcome
he
presence
fa
competitive
nhibitor by
(A)
decreasinghe substrate
oncentration
(B)
increasing he subshate
oncentration
1C)
ncreasinghe emperature
(D)
decreasing
he temperature
(E)
altering he
pH
How do enzymes
ffect he
reaction ate of
chemical eactions?
(A)
Increase
ate of reaction
(B)
Decrease
ate ofreaction
(C)
Have
no effect
(D)
Reverse
he reaction
(E)
Caneither speed
t up or slow
it down
depending
n the reaction
Cyanide s
poisonous
o humansbecause
t
(A)prevents
complete
gas
exchange
n
alveoli
(B)disrupts strocyteunction
(C)
binds
neversibly to
allostericsites
(D)
altersblood
cell conformation
(E)
noneof the above
Which of the following
is a
protease?
(A)Salivaryamylase (D)Orytocin
(B)
Pepsin
(E)
Sucrase
(C)
Maltase
6. Whenan entire enzymepopulation s saturated,
how
would the cell increase
roductivity?
(A)
Absorb more heat o
denaturehe active site.
@)
Add more enzyme.
(C)
Increasehe substrate
oncentration.
(D)
Decrease
he subshate oncenftation.
(E)
Add more active sites
o the enzyme.
A
5.
Base
your
answers
o
questions
and 8 on
the
information
and diagram
below.
A biologist
prepares n analysis
of the activity of the
enzymemaltase,
which
promotes
he
hydrolysisof
disaccharides
o
monosaccharides.
hree l asks
containing
10 milliliters
of 4
percentmaltose
n water
arepreparedwith the additionof the substances
descdbed elow
at time
zero.
Beaker
A: Addition
of 0.6 ml
1%MaltaseSolution
BeakerB: Addition
of 0.6
ml BoiledMaltase
Solution
BeakerC:
Additionof 0.6
ml DistilledWater
7. How can he
biologist
find
proof
for enzyme
denaturation
y observing
starchdigestion
n the
flasks?
(A)
Compme
lasks
A
and
B a few minutesafter
time zero.
(B)
Compare lasks
B and C a
few minutesa.fter
time zero.
(C)
Compare lasks
A and C a few minutes
after
time
zero.
(D)
Compare
lask A at time
zero and again
ew
minutes ater.
(E)
Compare
lask C at time
zero and again
ew
minutes
ater.
After a
few minutes.
monosaccharideshould
be
present
n
8.
(A)
flask
A only
(B)
flask
B only
(C)
laskC
only
(D)
flasks A and
B
(E)
flasks A, B and
C
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9. Which of
the
following statements
egarding
enzymess
CORR-ECT?
(A)
They change
he free energy
ofthe reaction
(B)
They usually
remainunchanged
n the
reaction
(C)
They ncreasehe
activation
energy
(D)
They are
nonspecific
n their ability
to act on
substratemolecules
(E)
They are not affected
by inhibitors
10. Base
your
answer o the
following
question
on
the
graph
below.
o24
pH
Which statement
bout he
graph
of enzyme
activity
is
correct?
(A)
All four enzymes
an work
togetherat a
certain
pH.
(B)
EnzymeD works
bestat the most
acidic
pH.
(C)
En-rymeD works
bestat the most
alkaline
pH.
(D)
EnzymeA works best
at the
most basic
pH.
(E)Eachenzymeworks n bothacidic and basic
conditions.
Enzfmes alter
reaction ate by
affecting
(A)
activation
energy
(B)
allosteric
compounds
(C)
cofactor
distribution
(D)
covalentattraction
@)
substrate
omposition
In comparisono plantcell walls, bacterialcell
walls contain
(A)peptidoglycan
(D)cellulose
(B)starch (E)
chitin
(C) phospholipids
Relativef
Rateol
I
Enzyme
Action
I
\
\
A
/ \
I
t
,
11.
12.
Q2
Test #1
Practice
Base
your
answers
o
questions
3 and 14
on the
following
diagram.
fED^
r-----rA
.17
ilo
Mr*M *M,
13. The operation
of
molecule Bcan
be affectedby
14. The diagram
depicts he
ability of
moleculeB to
be
(A)pH
(B)
emperature
(C)
urea
(A)
conformed
(B)
destroyed
(C) nduced
(D)vitamins
(E)
all ofthe
above
(D)
remade
(E)
reused
15.Base
your
answer o
the following
question
on
the
graph
below.
Select
he correctstatement
bout
he
graph
of
enzymeactivities.
(A)
EnzrTme
works bestat
a basic
pH.
(B)
Enzyme
B works best
at an acidic
pH.
(C)
EnzymeB
works bestat a basic
pH.
(D)
Eachenzyme
works over
pH
values0 to
14.
(E)
Both enzSrmes
ork bestat the
same
pH.
z
IIJ Y
FE
ul
uJ
i ;
<N
JZ
EH
216 8r0
12
pH
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Molecules
The catabolicactivity
ofthe enzymedepicted
on molecule
D illushates
Frl
D
Enzyme
D
(A)
catabolic heory
(B)
conformational
hange
(E)
allostery
B
(C)
induced it
hypothesis
(D)
enzyme pecificity
17. Prokaryotic ells
ack
(A)DNA
(D)ribosomes
(B)
mitochondria
(E)
cytoplasm
(C)
cell membrane
18. Base
our
answero the ollowing
question
n
the
picture
below.
lndicate he structure(s)
hought o be
descendant f endosymbiotic
acterialcells.
(A)
A only
(B)
C only
(C)A andC
A
primary
constituent
ofbacterial cell
walls is
(A)peptidoglycan
(D)
phospholipids
(B)
cellulose
(C)
glucose
(D)A
andB
(E)
B and C
lo
(E) polysaccharides
21.
Cyanobacteria
may containall
ofthese EXCEPT
(A)
cell membrane
(D)
c1'tochromes
(B)
chromatin
(E)
ribosomes
(C)
mitochondria
Mitochondria
are hought o be descendants
f
endosymbiotic acterial
cells. Which of
the
following statements est
supports his
statement?
(A)
Mitochondriaand
bacteria
possess
iflerent
ribosomes nd
DNA.
(B)
Mitochondriaaad
bacteria
possess
imilar
ribosomes nd DNA.
(C)Bothmitochondriaandbacteriahavecristae.
(D)Neither
mitochondria
nor bacteria
possess
chloroplasts.
@)
Glycolysis
occurs
n
both
mitochondriaand
bacteria.
Prokaryotes nd eukaryotes
end o have
which
of the following
featuresn common?
(A)Ribosomes
(D)
Golgi apparatus
(B)
Nuclearmembrane
(E)
Lysosomes
(C)Mitochondria
23. A cell
lacking ts microtubuleshas
problems
(A)
synthesizing
DNA
(B)
synthesizingRNA
(C)
storingmolecules
(D)
hansporting
iquid
(E)
maintaining
ts shape
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zo-
27.
24.
Prokaryotes
may contain
eachof
the following
structures
EXCEPT
(A)lysosomes
(B)
cell wall
(C)
cell membrane
(D)
flagella
(E) photosynthetic pparatus
25.
A student
ooking tirough
a compound
ight
microscope
orrectly
decides
hat she
s
observinga
eukaryotic
cell because
(A)
mitochondria
me visible
(B)
vacuolesare
present
(C)
chlorophyll
s
present
(D)
a
cell wall is
present
(E)
t has lagella
The
mitochondriaof eukaryotes
volved
rom
what lpe of organism?
(A)
Anaerobicbacteria
(B)
Aerobic
bacteria
(C)
Euglena
(D)Ameoba
@)
Any kind of
eukaryote
Which of the following
containoxidative
enzymes nd
are mporcant
n intracellular
digestion?
(A)Peroxisomes
(B)
Plastids
(C)
Ribosomes
(D)
Golgi apparatus
(E)
Endoplasmic
eticulum
Cells of both angiosperms
nd mice contain
whichofthe
followingorganelles?
(A)
Cell
membranes nd chromosomes
(B)
Cell walls
andnuclei
(C)Lysosomesnd ibosomes
(D)
Centriolesand
cell membranes
(E)
Chloroplasts
ndvacuoles
A cell at equilibrium
with its environment
s
(A)hypertonic
(B)
hlpotonic
(C)
sobaric
(D)
sochoric
(E)
isotonic
28.
29.
Q2
Test
#1 Practice
Base
our
answers
o
questions
0
and
31
on the
diasam
below.
30. Which
of the following
must contain
DNA?
(A)A
only
(B)
C only
(C)AandConly
(D)A
and
D only
(E)
A, C
and D only
Jt .
A cell responsible
or
producing nsulin
most
likely
hashigh numbers
of amounts
of
(A)A
(B)B
(C)C
(D)D
@)
noneof the
above
Proteinsmade
by free ribosomes
will most
likely firnction
n which of the
following
locations?
(A)
Endoplasmic
eticulum
(B)
Plasmamembrane
(C)
Lysosomes
(D)
Cytosol
(E)
Nucleus
Vacuolesbudding
rom the Golgi
apparatus
may
fuse
with the cell
membrane.This
illustrates he
ideaof
(A) phagocytosis
(B)
receptor-mediated
ndocltosis
(C)
RNA synthesis
(D)
secretion
of intracellular
enzymes
(E)
the endomembrane
ystem
33.
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34.
Base
your
answer o
the following
question
on
the
ollowingchoices.
Selecthe
choice hat
best its
the description
given. Eachchoice
may
be usedonce,
more han once,
or not
at all
within this
group.
(
A
)
Cilia
and
Flagella
(
B
)
Dynein
( C ) lntermediateFilaments
(
D
)
Microfilaments
(
E
)
Tropomyosin
Undergo otating
or undulating
motion
(A)A
(B)B
(C)C
(D)D
(E)
E
Base
your
answers
o
questions
5
and
36
on the
diasambelow.
What s arrow C
pointing
to?
(A)
vacuole
(B)
Golgi apparatus
(C)
endoplasmic
eticulum
(D)
nucleolus
(E)
mitochondria
What s arrow A
pointing
to?
(A)mitochondria
(B)
vacuole
(C)
ibosomes
(D) golgi
apparatus
(E)
endoplasmic
eticulum
35.
37. Pseudocoelomate
ells and
Gymnosperm
ells
both
possess
achof
the following
features
EXCEPT
(A)
centrioles
(B)
mitochondria
(C)
vacuoles
(D) plasmamembrane
(E)
endoplasmic
eticulum
Centrioles
are
(A)
contained
within
microtubule
organizing
centels
@)
structures
hat hold chromatids
ogether
(C)
a
period
n which
DNA is replicated
(D)
DNA-protein
complexes
making
up
eukaryoticchromosomes
(E)
a
period
of
renewed
rotein
synthesis
Baseyouransweron the diagrambelow.
Structure
D is
(A)the golgi
apparatus
(B)
the mitochondria
(C)
the centriole
(D)
a chloroplast
(E)
the endoplasmic
eticulum
40. Which of the following elementss found n the
highestabundance
n
protoplasm?
38.
39.
A
A
B
(A)Nitrogen
(B)Sultur
(C)Calcium
(D)hon
(E)
Phosphorus
CELL
I
CELL N
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the
diagram
shown
below.
Chromatin
hickens
within
this
srrucnre.
(A)A
(B)B
(D)D
(E)
E
(D)
I
and
II
only
(E)
I, II
and
II
1a
(C)C
Alcohol s detoxifiedn
(A)
ysosomes
(B)
peroxisomes
(C)
ough
endoplasmic
eticulum
(D)
smooth
endoplasmic
eticulum
(E)
none
of the
above
Which
of
the ollowing
can
be
present
n
both
animal
and
plant
cells?
I.
centrioles
II.
chloroplasts
III. mitochondria
(A)
I
only
(B)
II
only
(C)
II
only
+J .
44. En4tnes
may
be
found
n
all
of the
followins
EXCEPT
(A)
inner
mitochondrial
membrane
(B)
nuclear
nvelope
(C)
cell
wall
(D)cell
membrane
(E)
peroxisomes
Programmed
ell
death
s
known
as
(A)
anabolism
(B)
apoptosis
(C)
catalysis
(D)
decomposition
(E)
denaturation
45.
cg_
4l
'
Base
your
answer
o
the
following question
on
|
46.
Chloroplasts
re
mostly
ocated
n what part
of
theplant
cell?
(A)
Mitochondria
(D)
Upper
epidermis
(B)
Chlorophyll
(E)
Grana
(C)
Mesophyll
issue
47.
Which
of the
following
is
NOT
one
of the
functions
of thesmoothendoplasmiceticulum?
(A)
Synthesis
f secretory roteins.
(B)
Synthesis
f lipids.
(C)
Detoxification
of
drugs.
(D)
Metabolism
f carbohydrates.
(E)
Release
fcalcium
durinq
muscle
contraction.
48.
What
s
the
unction
of
centrioles?
(A)
They
cause
ytokinesis
by the
concentric
shortening
f microtubules.
(B)
Theyproduce
microtubules
or
the
chromosomes
o migrate
along
as hey
move
to
opposite oles
of
thecell.
(C)
They
are equired
or
DNA
replication
(D)
They
enable
bacteria
o
move
(E)
None
of
the
above
49.
All
of the
following
statements
bout
organelles
are
rue
EXCEPT
(A)
vacuoles
re
membrane-enclosed,
luid_
filled spaces
(B)
ribosomes
re
he sites
fprotein
synthesis
(C)
golgi
apparatus
ontainspowerful
oxidative
en4lmes
(D)
the
nucleus
provides
physical
separation
between
ranscription
and
ranslation
(E)
centrioles
unction
n
cell
division
50.
Which
of the
ollowing
organelles
s involved
n
storage,
modification,
andpackaging
of
secretory roducts
roduced ythe ibosomes?
(A)
The ysosome
(B)
The
mitochondrion
(C)
The
endoplasmic
eticulum
(D)
The
Golgi
apparatus
(E)
The
nucleolus
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51.
In
plants,
ow s the
iving content
onnected
o
adjacent
ells?
(A)
Pores
(B)
Tight
unctions
(C)
Plasmodesmata
52. In
human ells. he
cell wall
is
(A)composed f polysaccharides nd
pepidoglycans
(B)
acting
as a barrier
hat selectively
permits
materials
nto and out
ofthe cell
(C)
responsibleor
limiting the
absorption
of
water
(D)
nvolved
n
controlling
cellular mitosis
(E)
not
present
53.
Whichof the
ollowing
cytoskeletallements
forms he centrioles
within a cell?
(A)
Collagen
(B)
Microtubules
(C)
Microfilaments
@)
Intermediate
ilaments
(E)
Pseudopodia
54.
Which of the following
connectshe
other
cltoskeletal substances
nd
he organelles
within a cell?
(A)
Microtrabeculae
(B)Microtubules
(C)
Microfilaments
(D)Endoplasmic
eticulum
(E)
Golgi Apparatus
Cytolysis
n
protozoans
will most
ikely occur
because
f malfrrnctioning
(A)
contractile
vacuoles
(B)
endoplasmic
eticulum
(C)peroxisomes
(D) eukoplasts
(E)
tonoplasts
Which
of the following structures
oes
NOT
have
a membranen an animal
cell?
(A)
Microtubules
(D)
Ribosome
(B)
Nucleus
@)
Mitochondria
(C)
Vacuole
(D)
Gap
unctions
(E)
Desmosomes
55.
56.
Q2
Test
#1 Practice
57. Person
A spends
er time
at the
ibrary on the
weekends nd
efrains
rom consuming
ny
drugs
or alcohol.
However,
personB consumes
a
large
quantity
of alcohol
and drugs
numerous
timesa
week.
Which
of the
following
organelles
s responsible
for
person
B's ncreased
olerance
or drugs
and
alcohol?
(A)Lysosomes
(B)
Peroxisomes
(C)
Ribosomes
(D)
Smooth
endoplasmic
eticulum
(E)
Golgi apparutus
58.
Base
your
answer o
the following
question
on
the
picture
below.
Which statement
bout he organelle
shown
s
INCORRECT?
(A)
It is responsible
or convertingenergy
rom
organic
molecules
lto useful energy
or the
cell
(B)
The basisof
energy n the cell
is ADP
(C)
It hasa characteristic
ouble
membrane
(D)
It has olds known
as cristae
(E) Theorganelle s found n plantcells
Recycling
f cellular
materialss a
process
known as
59.
(A)
autophagy
@)
autosomy
(C)
conservation
(D)
redistribution
(E)
noneof the above
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61.
62.
60.
Passagehrough
he nuclear
membrane
s
regulated y
(A)
dense
hromatin egions
(B)
embedded
roteins
n ring
conformation
(C)
microtubules
(D)
nucleolus
RNA
(E)
rough endoplasmic
eticulum
What
s the main role of
the endoplasmic
reticulum?
(A)
Intracellular
ransport
(B)
Protein synthesis
(C)
ntracellular
igestion
(D)
Cellular
respiration
(E)
Muscle
contraction
All of the following
statements
bout he
digestive
properties
ofa lysosome re
coffect
EXCEPT
(A)the
Golgi apparatus
ends
esicles illed
with hydrolytic enzymes
o the ysosome
(B)
lysosomesusewith food
vacuoles ormed
from
phagocytosis
(C)
ysosome ontents an
kill a cell upon
irst
contactwith t}le
cytosol
(D)the ysosomal
membrane
umpsH* from he
cytosol
nto its lumen
(E)
lysosomes an
program
he death
of the cell
in which it is contained
All
of the following are unctions
of
vacuoles
EXCEPT
(A)temporary
eceptacles
f nutrients
@)
store
starch,
pigmentsand oxic substances
(C)
exert
urgor on cell
walls
(D)collect
and
purnp
excess
aterout ofthe
cell
(E)
break-downof
toxic substances
The ability
of cells o carry out different
processes
imultaneously
s maximized
by
(A)
compartmentalization
(B)
an endomembrane
ystem
(C)
enzyrnes
(D)
ncreased
urfacearea
(E)
all of the
above
63.
64.
Q2
Test
#1 Practice
65
During the creation
of a secretory
rotein,
a
vacuolewill travel
which of the
following
pathways?
(A)
nucleolus
Golgi
apparatus
ribosome
-
plasma
membrane
(B)
nucleus
RER
-
Golgi
apparatus
plasma
membrane
(C)
nucleus
RER
lysosome
plasma
membrane
(D)plasmamembrane
SER ribosome
nucleus
(E)
ribosome
Golgi
apparatus
nucleolus
- plasma
membrane
66.
A student
ooking tlrough
a light microscope
n
the lab finds
many small
structures
n
a
sample
of
pond water.
The studentcouldhaveseenall ofthe following
EXCEPT
(A)frog
eggs
(B)
animal cell
nucleus
(C) plant
cell
mitochondria
(D)
bacteria
(E)
animal ell ribosomes
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67'
A cell
regulates
maabolic pathways
by
controlling
the
various
activities
of its
eazymes.
(a)
Discuss
he
diffferences
etween
catabolic a&way
and
an
anabolic
athway.
(b)
hccribe
theconfomrational
hanges
trat
esutt
Orulag
llostoi
o g,i;-o'o-i1an
enzyme.
68.
Many
eukaryotic
ells
ely
on he
stuctural
advantages
fcilia.
(a)
Describe
he ntemar
tructure
f
cifu
and
explnin
how
orm
its
firnction.
(b)
D,escribe
he
ciliate
motion
ofdynein.\rnlking.,,
(c)
Dircnss
he
mportance
f cilia
within
he
human
odv,
7/23/2019 AP BIOLOGY CELL TEST
http://slidepdf.com/reader/full/ap-biology-cell-test 10/11
Q2
Test#1 Practice
Answer
Key
1.D
2.B
U
5.B
6.B
9.B
10. c
11. A
t2. A
13. E
14. E
C
D
B
B
C
B
22.
A
23. E
24. A
25. A
26. B
A
D
D
c
D
E
A
E
B
C
49.
C
50.
D
51. C
52.
E
53.
B
54.
A
55. A
56.
A
57. D
58. B
59.
A
60. B
61. A
62.
C
63. E
64. E
65.
B
66. E
o/.
(a)
The metabolismof
an organism s
a tightly
regulatedevent hat
is
concemed
with
managingmaterials
and
energy
esources.
Metabolic
pathways
an
be divided
nto two
subtopics.
The catabolic
pathways
within an
organism
ake complex
moleculesand break
them down nto simpler'
compounds,
eleasing
the stored
energy. The
released nergycan now
be usedby the cell to
perform
work. In
contrast
o catabolic
pathways,
nabolic
pathways
ake simpler
molecules ndbuild
complexmolecules.
This
pathway
consumes
energy, nsteadof
releasing
t. An example
of this pathwaywould
be to take monomers
andmake hem
nto
polymers.
(b)
Regulation fa cell
is accomplished
y the
closemonitoring of
the
enzlmes n metabolic
pathways.
An allosteric
enz1rmescillates
between
wo enzymatic
states, ne
hat s active,
and anotherone hat s
inactive. The allosteric
site
of the enryme s a
site
hat s
separate
rom
the active
site,
and
causeshe enryme o
change hape,
preventing
or allowing
the entrance f a
substrate
molecule nto
the active site.
The
inhibition or stimulation
of an allosteric
enzyme'sactivity is an
effectiveway to regulate
metabolicactivity
within a cell.
68.
27.
28.
29.
30.
31.
32.
JJ .
34.
35.
36.
Jt .
38.
39.
3.
+.
7.
8.
4t.
A1
+J .
44.
45.
40 .
47.
15.
t6.
17.
18.
19.
20.
21.
40. A
B
D
D
c
B
C
B
8.
7/23/2019 AP BIOLOGY CELL TEST
http://slidepdf.com/reader/full/ap-biology-cell-test 11/11
Q2
Test#1
Practice
Answer
Key
Cilia
are usually
present
n large
quantities
on the surface
of cells.
The nternal
structure
s important
n
understandingowcilia
functions
within the
cell.
Within
the body
of
the cilia are
microtubules
arranged
'
n u 9
+2
arrangement.
Proteinsattach
each
ing
of
microtubule
doublet
to the
plasma
membrane
of
thecilia and spokes
attach
he outer doublets
to two inner
microtubules
n the
center.
The ocation
and
numberof
microtubules
within he sing.le
ilia
make
he structure
a
powerhouseor
movement.
Dynein walking
refers he movements
f
the
proteins
attaching
one microtubule
doublet
to the
next. Through
a
repeated
rip
and
release
motion,
similar to
that n
musclecontraction,
he
cilia creates
beating
motion. Themotion
s
referred o as walking
because
f the
protein,
dynein,
attaching o
one
microtubuledoublet,
releasing,
nd hen
reattaching
urther down
the same
microtubule.
Within the
human
body, cilia are
responsibleor the
movementof materials
along.
For example
cilia
line the respiratory
system,
nd
with the
helpof mucous,
atch
debris hat enters
through he
noseand
mouth,
preventing t
from entering he ungs.
Cilia
can also
be found
within
the reproductive
systemof
females,along
the fallopian
ubes.
The
cilia
aid the transport
of
the olum
from the
ovary
to the
uterus.