Download 02_ClickerQuestionsPRS

Elaine N. Marieb
Katja Hoehn
Chapter
2
The Cell
PowerPoint® Lecture Slides
prepared by Agnes Yard
and Michael Yard
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
Copyright © 2008 Pearson Education, Inc.,
publishing as Pearson Benjamin Cummings
Which cellular attachments are abundant in cardiac
muscle, where they are essential for the coordination of
muscle cell contractions?
a. tight junctions
b. anchoring junctions
c. adhesion belts
d. communicating junctions
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
In epithelial tissue undergoing a dynamic change,
which form of intercellular attachment is responsible
for connecting intracellular microfilaments to protein
fibers of the basal lamina?
a. zonula adherens
b. intercellular cement
c. focal adhesions
d. macula adherens
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
Which of the following organelles is/are considered to
be nonmembranous?
a. rough ER
b. ribosomes
c. Golgi apparatus
d. lysosome
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
Which of the following cells are multinucleate?
a. cardiac muscle cells
b. skeletal muscle cells
c. mature red cells
d. a and b
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
In which process do carrier molecules transport
materials against a concentration gradient?
a. osmosis
b. facilitated diffusion
c. active transport
d. diffusion
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
Which cytoskeleton component(s), through its/their
interaction(s) with myosin, can produce active
movement of a portion of a cell, or a change in the
shape of the entire cell?
a. microfilaments
b. thick filaments
c. microtubules
d. all of the above
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
Which of the following never enter the G0 phase?
a. neurons
b. skeletal muscle cells
c. stem cells
d. a and b
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
Which structures are found in epithelial tissue that is
subjected to a significant amount of abrasion and
shearing forces?
a. focal adhesions
b. nexuses
c. tight junctions
d. hemidesmosomes
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
The plasmalemma is extremely thin and delicate,
ranging from ______ in thickness.
a. 3 to 7 nm
b. 5 to 9 nm
c. 6 to 10 nm
d. 7 to 11 nm
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
Microtubules do not include which of the following
functions?
a. They provide structural support within
axons.
b. They form the spindle apparatus during cell
division.
c. They form structural components of
organelles, such as centrioles, cilia, and
flagella.
d. They provide a mechanism for changing
cellular shape.
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
Which type of membrane proteins may function as
catalysts?
a. integral proteins
b. peripheral proteins
c. glycoproteins
d. lipoproteins
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
Which of the following phases of the cell cycle may be
indefinite and occurs as the cell is performing its
specialized functions?
a. G1
b. S
c. G2
d. G0
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
Which of the following is/are true about cells?
a. They are produced by the division of
preexisting cells.
b. They form all of the structures in the body.
c. They are the fundamental units of all living
things.
d. All of the above statements are true.
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
Which of the following cells do not contain centrioles?
a. mature red blood cells
b. skeletal muscle cells
c. All cells contain centrioles.
d. a and b
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
Which of the following is/are (a) general function(s) of
the plasmalemma?
a. sensitivity
b. regulation of exchange with the environment
c. structural support
d. all of the above
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
Which of the following is not comprised of a complex of
microtubules that contain a 9 + 2 array?
a. centriole
b. cilia
c. flagella
d. none of the above
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
Which structures contain enzymes, which are formed
by free ribosomes within the cytoplasm?
a. transfer vesicles
b. peroxisomes
c. lysosomes
d. secretory vesicles
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
The major functions of the Golgi apparatus do not
include which of the following?
a. synthesis and packaging of secretions
b. detoxification of cellular toxins
c. renewal or modification of the plasmalemma
d. All of the above are functions of the Golgi
apparatus.
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
At the end of prophase, spindle fibers form among the
chromosomes, and the kinetochore of each chromatid
becomes attached to which specific structure, formed
by a spindle fiber?
a. a centriole
b. a microfilament
c. a chromosomal microtubule
d. a centromere
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
Which of the following is a type of anchoring junction
also termed a “desmosome”?
a. macula adherens
b. dense area
c. focal adhesion
d. zonula adherens
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
Which organelle removes bacteria and isolates them
within vesicles, ultimately releasing usable substances
such as carbohydrates and amino acids?
a. nucleosomes
b. lysosomes
c. peroxisomes
d. a and b
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
Which of the following is the most important step in
cell division?
a. transcription of DNA
b. DNA replication
c. translation of DNA
d. All are equally important.
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
Which of the following mechanism(s) of endocytosis
is/are performed only by specialized cells of the
immune system?
a. pinocytosis
b. phagocytosis
c. receptor-mediated endocytosis
d. b and c
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
Which of the following is/are responsible for the
synthesis of ribosomal components?
a. rough ER
b. smooth ER
c. nucleosomes
d. nucleoli
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings