Chapter Quiz
1.  

Sara would like to film the movement of chromosomes during cell division. Her best choice for a microscope would be a _____. (p. 109)

light microscope, because of its resolving power
transmission electron microscope, because of its magnifying power
scanning electron microscope, because the specimen is alive
transmission electron microscope, because of its great resolving power
light microscope, because the specimen is alive


2.  

Cell fractionation is the most appropriate procedure for preparing ____ for study. (p. 111)

isolated cells that are normally found tightly attached to neighboring cells
cells without a functional cytoskeleton
isolated organelles
the basic macromolecules
bone and other similar cells that are situated within a mineral framework


3.  

A magnified picture of the detailed architecture of cell surfaces can best be obtained from a(n) _____. (p. 110)

scanning electron microscope
transmission electron microscope
light microscope
magnifying glass
none of the above


4.  

The term "resolving power" refers to which of the following? (p. 109)

the apparent increase in the size of an object
the source of the illumination
the depth of focus
the clarity of the image in showing two objects as separate
the type of cell being observed


5.  

A normal size range for a typical eukaryotic cell is _____. (p. 112)

0.1 nanometers
10 nanometers
100 nanometers
1–10 micrometers
10–100 micrometers


6.  

What do limits on maximum cell size depend on? (p. 112)

the number of organelles
surface-to-volume ratio
number of surrounding cells
amount of DNA in the nucleus
thickness of the cell membrane


7.  

Which of the following structures cannot be found in prokaryotic cells? (p. 112)

flagella
cell membranes
mitochondria
ribosomes
RNA


8.  

Microscopes have been especially important in cytology, which is the study of ____________. (p. 111)

cell structure
cellular metabolism
molecular genetics
energetics of cells
none of the above


9.  

To enter or leave a cell, substances must pass through _____. (p. 113)

a microtubule
the Golgi apparatus
a ribosome
the nucleus
the plasma membrane


10.  

Which of the following would NOT be considered part of a cell's cytoplasm? (p. 112)

a ribosome
the nucleus
a mitochondrion
a microtubule
fluid between the organelles


11.  

Bacterial cells are prokaryotic; unlike a typical eukaryotic cell they _____. (p. 112)

lack a nucleus
have a smaller nucleus
lack a plasma membrane
have fewer internal membranous compartments
have a greater variety of organelles


12.  

The maximum size of a cell is limited by _____. (p. 112)

its need for enough surface area to make exchanges with its environment
the number of organelles that can be packed inside
the materials needed to build it
the amount of flexibility it needs to be able to move
the amount of food it needs to survive


13.  

A certain cell has mitochondria, ribosomes, smooth and rough endoplasmic reticulum, and other parts. Based on this information, it could NOT be _____. (p. 112)

a cell from a pine tree
a grasshopper cell
a yeast (fungus) cell
a bacterium
actually, it could be any of the above


14.  

Which of the following are found in prokaryotic cells? (p. 112)

Golgi bodies
mitochondria
nucleoli
enzymes
all of the above


15.  

Which of the following features do prokaryotes and eukaryotes have in common? (p. 112)

mitochondria, cytoplasm, plasma membrane
ribosomes, plasma membrane, cytoplasm
nucleus, plasma membrane, ribosomes
mitochondria, ribosomes, cytoplasm
ribosomes, nucleus, plasma membrane


16.  

What is the function of the nucleolus? (p. 117)

to contain the hereditary blueprint of the cell
to modify substances made on the endoplasmic reticulum
to organize the spindle fibers for cell division
to provide materials for the synthesis of ribosomes
none of the above


17.  

Most of the DNA in a eukaryotic cell is in _____. (p. 117)

the cytoskeleton
the mitochondria
the endomembrane system
the cytoplasm
the nucleus


18.  

Of the following organelles, which group is involved in manufacturing the substances needed by the cell? (p. 117)

lysosome, vacuole, ribosome
ribosome, rough endoplasmic reticulum, smooth endoplasmic reticulum
vacuole, rough endoplasmic reticulum, smooth endoplasmic reticulum
smooth endoplasmic reticulum, ribosome, vacuole
rough endoplasmic reticulum, lysosome, vacuole


19.  

Which one of the following organelles would be especially abundant in the pancreatic cells that produce digestive enzymes? (p. 119)

rough endoplasmic reticulum
smooth endoplasmic reticulum
lysosomes
microfilaments
mitochondria


20.  

In muscle cells the ____ is/are specialized for the storage and release of calcium. (p. 119)

mitochondria
smooth endoplasmic reticulum
the Golgi apparatus
contractile vacuoles
rough endoplasmic reticulum


21.  

A plant cell was grown in a test tube containing radioactive nucleotides, the parts from which DNA is built. Later examination of the cell showed the radioactivity to be concentrated in the _____. (p. 117)

rough endoplasmic reticulum
peroxisome
smooth endoplasmic reticulum
central vacuole
nucleus


22.  

When isolated liver cells are combined with toxins, initial processing in the ______________ increases the solubility of those compounds as an initial step in their excretion. (p. 118)

smooth endoplasmic reticulum
Golgi apparatus
mitochondrion
rough endoplasmic reticulum
lysosome


23.  

The rough endoplasmic reticulum can be considered to be in which general category of organelle? (p. 119)

breakdown
energy-processing
manufacturing
support between cells
communication between cells


24.  

Membrane proteins are synthesized by ribosomes that are attached to _____. (p. 119)

the Golgi apparatus
mitochondria
the nucleolus
the endoplasmic reticulum
lysosomes


25.  

Prokaryotic-type ribosomes are NOT associated with _____. (p. 118)

rough endoplasmic reticulum
bacterial cells
plastids
mitochondria
any of these


26.  

You would expect a cell with an extensive Golgi apparatus to _____. (p. 119)

make a lot of ATP
secrete a lot of material
move actively
perform photosynthesis
store large quantities of food


27.  

A researcher made an interesting observation about a protein made by the rough endoplasmic reticulum and eventually used to build a cell's plasma membrane. The protein in the membrane was actually slightly different from the protein made in the ER. The protein was probably altered in the _____. (p. 119)

Golgi apparatus
smooth endoplasmic reticulum
mitochondrion
nucleus
chloroplast


28.  

Which one of the following is the most likely consequence for a cell lacking functional lysosomes? (p. 121)

The cell becomes crowded with undegraded wastes.
The cell dies because its ATP-synthesizing mechanisms are missing.
The cell dies from a lack of enzymes to catalyze metabolic reactions.
The cell is unable to reproduce itself.
The cell is unable to grow to a mature size and always remains small.


29.  

Lysosomes are derived from _____________ and function in _____________. (p. 121)

mitochondria ... anaerobic respiration
the Golgi apparatus and rough endoplasmic reticulum ... digestion of worn-out organelles
microtubule organizing centers ... storage of ATP
symbiotic bacteria ... extrachromosomal inheritance
nucleoli ... aerobic respiration


30.  

Which of the following statements describes the function of the contractile vacuole? (p. 123)

It contains trapped bacteria to be digested by the lysosomes.
It contains the cell sap.
It eliminates excess water from the cytoplasm of freshwater protists.
It converts light energy to chemical energy.
It converts light energy to physical energy.


31.  

Mitochondria and chloroplasts have several common features; for example, _____. (p. 123)

both are capable of semiautonomous growth and reproduction
neither are components of the endomembrane system
each contains a small amount of DNA
each organelle synthesizes some of its own protein
all of the above


32.  

What are the inner folds of the mitochondria called? (p. 124)

cristae
matrix
stroma
grana
tubules


33.  

The purpose of cellular respiration is the production of which of the following? (p. 124)

ATP
oxygen
carbon dioxide
glucose
all of the above


34.  

Chloroplasts are found in _____. (p. 124)

plant cells only
animal cells only
both plant cells and animal cells
neither plant cells nor animal cells
animal cells and bacterial cells but not in plant cells


35.  

Mitochondria appear in the greatest numbers in cells that are _____. (p. 124)

reproducing
metabolically active
dead
metabolically inactive
undergoing cell division


36.  

Which cellular organelle is required for photosynthesis in eukaryotic cells? (p. 124)

chloroplast
nucleus
chromoplast
Golgi apparatus
mitochondrion


37.  

Mitochondria and chloroplasts are similar in that they both _____________; they are different in that chloroplasts, but not mitochondria, _____________. (p. 123)

have a double membrane ... carry out photosynthesis
have many internal membranes that increase their internal surface area ... are found in plants
have an internal 9 + 2 arrangement of microtubules ... also have centrioles
deal with energy transformations ... are found only in eukaryotes
have a double membrane ... contain DNA


38.  

Three or four of the following cellular organelles possess membranes. Which one, if any, does NOT possess membranes? If all the listed organelles possess differentially permeable membranes, choose answer (5). (p. 117)

nucleus
chloroplasts
mitochondria
lysosomes
all of the above


39.  

The internal skeleton of a cell is composed of _____. (p. 126)

microtubules, intermediate filaments, and microfilaments
cellulose and intermediate filaments
cellulose, microtubules, and centrioles
microfilaments
microfilaments and cellulose


40.  

When elongated, tube-shaped cells from the lining of the intestine are treated with a certain chemical; the cells sag and become round blobs. The internal structures disrupted by this chemical are probably _____. (p. 127)

cell junctions
microtubules
rough endoplasmic reticulum
mitochondria
dynein


41.  

What characteristic or characteristics are shared by plant cells but not by animal cells? (p. 132)

cell walls
chloroplasts
central vacuoles
lack of a centriole
all of the above


42.  

The protein actin is an example of a(n) _____. (p. 130)

intermediate filament
microtubule
tubulin
microfilament
organelle


43.  

Cilia and flagella move due to energy provided by the enzymatic breakdown of ATP by which of the following? (p. 130)

actin
pseudopodia
basal bodies
myosin
dynein


44.  

Where would you expect to find contractile proteins in a cell? (p. 131)

lysosomes
cytoskeleton
nucleus
smooth endoplasmic reticulum
chloroplasts


45.  

Basal bodies are most closely associated with which one of the following cell components? (p. 128)

bacterial flagella
mesosomes
cilia
the central vacuole
mitochondria


46.  

Dye injected into a plant cell might be able to enter an adjacent cell through a _____. (p. 133)

tight junction
microtubule
desmosome
plasmodesma
gap junction


47.  

The cell junctions in plant cells that provide channels between adjacent cells are generally _____. (p. 133)

anchoring junctions
communicating junctions
plasmodesmata
tight junctions
synapses


48.  

Your intestine is lined with individual cells. No fluids leak between these cells from the gut into your body. Why? (p. 134)

The intestinal cells are fused together into one giant cell.
The intestinal cells are bound together by plasmodesmata.
The intestinal cells are bound together by tight junctions.
The intestinal cells are bound together by gap junctions.
The intestinal cells are bound together by desmosomes.


49.  

Which one of the following structures is directly involved in the passage of electrical signals between cells as, for example, in the vertebrate heart? (p. 134)

gap junctions
chemical synapses
desmosomes
tight junctions
neuromuscular junctions


50.  

You would expect to find __________ as an important part of a __________, the function of which is to __________. (p. 134)

gap junctions ... middle lamella ... export hydrogen ions from a chloroplast
actin F ... microtubule ... maintain membrane fluidity
tonofilaments ... tonoplast ... organize DNA
intermediate fibers ... desmosome ... tightly fasten two cell membranes together
tonofilaments ... plasmodesma ... digest nutrients

   



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