1. The arrangement of
microtubules in eukaryotic flagella is referred to as
A) undulating
B) basal
C) 9+2
D) ciliary
2.Which of the following is
not a characteristic of prokaryotes?
A) DNA
B) cell membrane
C) cell wall
D) endoplasmic reticulum
3. The term "nuclear
envelope" is more correct than the term "nuclear membrane"
because
A) the enclosure has
pores which membranes do not
B) the enclosure is made
up of two membranes
C) the chemical
composition is inconsistent with cellular membranes
D) None of the above. The
two terms are perfect synonyms.
4. Oxidative metabolism is
carried out ____ of mitochondria.
A) in the intermembrane
space
B) on the surface of the
inner membrane
C) in the inside of the
outer membrane
D) in the matrix
5. Ribosomes are made up of
____ subunits.
A) 0 (They are whole.)
B) 2
C) 3
D) 4
6. Proteins synthesized by
the rough ER are
A) for internal storage
B) to build more
membranes in the cell
C) to digest food in
lysosomes
D) for internal
regulation
E) exported from the
cell
7. Plants differ from
animals in that plants have
A) an endoplasmic
reticulum
B) a central vacuole
C) Golgi complexes
D) vesicles
E) organelles
8. Passage through pores in
the nuclear envelope is restricted primarily to
A) proteins, RNA, and
protein-RNA complexes
B) lipids and glycolipids
C) DNA and RNA
D) RNA and
protein-carbohydrate complexes
E) marker proteins for
the plasma membrane
9. In bacteria, some of the
functions of eukaryotic cells are performed by
A) vesicles
B) lysosomes
C) mitochondria
D) nucleoli
E) the plasma membrane
10.Glycoproteins and
glycolipids assembled in Golgi bodies are packaged for distribution in
A) cisternae
B) lysosomes
C) peroxisomes
D) liposomes
E) glyoxysomes
11.Within chloroplasts,
light is captured by
A) grana within cisternae
B) thylakoids within
grana
C) cisternae within grana
D) grana within
thylakoids
E) none of the above
12.The rough ER is so named
because it has an abundance of _______________ on it.
A) mitochondria
B) lysosomes
C) Golgi bodies
D) ribosomes
E) vesicles
13.With which of the
following are basal bodies not associated?
A) animal cells
B) centrioles
C) plant cells
D) tubulin
E) microtubules
14.Depolymerization of
microtubules is inhibited by
A) kinesin
B) dyneins
C) actin
D) guanosine triphosphate
E) vimentin
15.Bacteria may be
propelled by
A) rotating thread-like
flagellum
B) cilia
C) undulating 9+2 type
flagellum
D) gel-sol changes in the
cytoplasm
E) an undulating
thread-like flagellum
16.The bacterial cell wall
is composed of
A) a phospholipid matrix
B) a lipoprotein
C) a polymer of sugars
D) chitin
E) a structural protein
17.Unlike those of
prokaryotes, eukaryotic cell walls are composed of
A) a carbohydrate matrix
cross-linked by short polypeptides
B) glycolipids and
protein fibers
C) cellulose fibers
embedded in a matrix
D) chitin
E) proteins and histones
18.A gram-negative
bacterium is enclosed by
A) a single thick wall
B) a single thin wall
C) a double thick wall
D) a double thin wall
E) no wall, just a
plasma membrane
19.The cytoplasm of a
bacterium
A) is supported by the
cytoskeleton
B) is supported by
microtubules
C) is supported by
keratin
D) has no internal
support structure
E) is supported by folds
in the interstitial membrane
20.A gram-positive
bacterium is stained _______________ by the gram stain
A) pink
B) purple
C) blue
D) green
E) red
21.Clusters of rRNA where
ribosomes are assembled are called
A) nuclei
B) cisternae
C) nucleoli
D) Golgi complexes
E) centrioles
22.Mitochondrial enzymes
for oxidative metabolism are
A) on or within the
surface of cristae
B) located on the outer
membrane
C) in the matrix
D) floating freely in
intermembrane space
E) in mitochondrial
lysosomes
23.The smooth ER is
especially abundant in cells that synthesize extensive amounts of
A) toxins
B) proteins
C) enzymes
D) lipids
E) nucleic acids
24.Enzymes embedded in the
membrane of the smooth ER
A) synthesize lipids
B) may be used for
detoxification
C) synthesize
carbohydrates
D) mostly are active only
when associated with a membrane
E) all of the above
25.Which of the following
organelles is found in plant cells but not in animal cells?
A) ribosomes
B) endoplasmic reticulum
C) mitochondria
D) peroxisomes
E) None of the above
26.Most cells are very
small. A typical eukaryotic cell, both plant and animal, will occur in which of
the following size ranges?
A) 1 mm to 100 µm
B) 100 µm to 10 µm
C) 10 µm to 1 µm
D) 1 µm to 100 nm
E) 100 nm to 10 nm
27.A cell that measures 200
µm in diameter compared to a cell that measures 20µm will have 100 times the
surface area but 1000 times the volume.
A) True
B) False
28.Because they have
chloroplasts for energy production, plant cells lack mitochondria.
A) True
B) False
29.Assuming all other
factors to be the same, electron microscopes have greater resolving power than
light microscopes because.
A) the wavelength of
electrons is much longer than the wavelength of visible light
B) electron microscopes
have more lenses
C) because the beams in
electron microscopes overlap creating a clearer picture
D) because the
wavelengths in visible light are longer than with electrons
E) because electron
microscopes are compound microscopes
30. Bacterial flagella
propel the cell by using
A) a whipping-like motion
B) two flagella that move
in opposite directions, like a flutter kick
C) a rotating motion
D) a flicking motion
E) none of the above
31.Which characteristic do
eukaryotic and prokaryotic flagella have in common?
A) chemical composition
B) structure
C) location in the cell
D) function
E) source of energy
32.The microtubules of
cilia and flagella are organized in a characteristic 9 + 2 pattern, and they
slide past one another.
A) True
B) False
33.Proteins lacking a
signal peptide sequence will probably be secreted from the cell.
A) True
B) False
34.According to the
endosymbiotic theory, the infoldings and specializations of the plasma membrane
led to the evolution of the endomembrane system.
A) True
B) False
35.The cytoskeleton
includes all of the following except
A) microtubules
B) intermediate filaments
C) myosin filaments
D) actin filaments
E) all of the above are
included
36.Ribosomes are found
A) only in the nucleus
B) in the cytoplasm
C) attached to the smooth
endoplasmic reticulum
D) only in eukaryotic
cells
E) both b and c
37.The Golgi apparatus is
involved in
A) transporting proteins
that are to be released from the cell
B) packaging proteins
into vesicles
C) altering or modifying
proteins
D) producing lysosomes
E) all of the above
ANSWER
- 1. C 2. D 3. B 4. B 5. B 6. E 7. B 8. A 9. E 10. A
- 11. B 12. D 13. C 14. D 15.A 16. C 17. C 18. D 19. D 20. B
- 21. C 22. A 23. D 24. E 25.E 26. B 27.A 28. B 29. D 30. C
- 31. D 32. A 33. B 34. B 35.C 36. B 37. E
