Biology Chapter 9
Biology, 7e (Campbell)
Chapter 6: A Tour of the Cell
Chapter Questions
1) All of the following are part of a prokaryotic cell except
A) DNA.
B) a cell wall.
C) a plasma membrane.
D) ribosomes.
E) an endoplasmic reticulum.
Answer: E
Topic: Concept 6.2
Skill: Knowledge
2) The volume enclosed by the plasma membrane of plant cells is often much larger than the corresponding volume in animal cells. The most reasonable explanation for this observation is that
A) plant cells are capable of having a much higher surface-to-volume ratio than animal cells.
B) plant cells have a much more highly convoluted (folded) plasma membrane than animal cells.
C) plant cells contain a large vacuole that reduces the volume of the cytoplasm. …show more content…
D) animal cells are more spherical, while plant cells are elongated.
E) the basic functions of plant cells are very different from those of animal cells.
Answer: C
Topic: Concept 6.2
Skill: Comprehension
3) Which of the following comparisons between prokaryotic and eukaryotic cells is incorrect?
A) The lack of organelles in prokaryotes means that they are structurally less complex than eukaryotes.
B) The lack of internal membranes means that prokaryotes cannot compartmentalize function to the same extent as eukaryotes.
C) All membrane function in prokaryotes is accomplished in the plasma membrane, while in eukaryotes, these functions are more distributed among the organelles.
D) The specialization of function in organelles suggests that eukaryotes will contain a wider variety of phospholipids than prokaryotes.
E) The lack of organelles in prokaryotes means that the basic cellular functions are different in prokaryotes than in eukaryotes.
Answer: E
Topic: Concept 6.2
Skill: Application
For the following questions, use the lettered answers to match the structure to its proper cell type. Choose the most inclusive category. Each answer may be used once, more than once, or not at all.
A. a feature of all cells B. found in prokaryotic cells …show more content…
only C. found in eukaryotic cells only D. found in plant cells only E. found in animal cells only
4) plasma membrane
Answer: A
Topic: Concept 6.2
Skill: Knowledge
5) tonoplast
Answer: D
Topic: Concept 6.4
Skill: Knowledge
6) nucleoid
Answer: B
Topic: Concept 6.3
Skill: Knowledge
7) Which of the following does not contain functional ribosomes?
A) a prokaryotic cell
B) a plant mitochondrion
C) a chloroplast
D) an animal mitochondrion
E) a nucleolus
Answer: E
Topic: Concept 6.3
Skill: Knowledge
8) Large numbers of ribosomes are present in cells that specialize in producing which of the following molecules?
A) lipids
B) starches
C) proteins
D) steroids
E) glucose
Answer: C
Topic: Concept 6.3
Skill: Knowledge
9) Which of the following compounds require the presence of the nuclear pores to move between the cytoplasm and the interior of the nucleus?
A) ribosomal RNA
B) messenger RNA
C) proteins synthesized in the cytoplasm that are part of ribosomes
D) A and B only
E) A, B, and C
Answer: E
Topic: Concept 6.3
Skill: Comprehension
10) Which of the following organelles is not a common destination for small vesicles that bud off the Golgi apparatus?
A) plasma membrane
B) lysosomes
C) vacuole
D) endoplasmic reticulum
E) all of the above
Answer: D
Topic: Concept 6.3
Skill: Comprehension
11) Under which of the following conditions would you expect to find a cell with a predominance of free ribosomes?
A) a cell that is secreting proteins
B) a cell that is producing cytoplasmic enzymes
C) a cell that is constructing its cell wall or extracellular matrix
D) a cell that is digesting food particles
E) a cell that is enlarging its vacuole
Answer: B
Topic: Concepts 6.3, 6.4
Skill: Application
12) Which type of organelle is primarily involved in the synthesis of oils, phospholipids, and steroids?
A) ribosome
B) lysosome
C) smooth endoplasmic reticulum
D) mitochondrion
E) contractile vacuole
Answer: C
Topic: Concept 6.4
Skill: Knowledge
13) Which structure is the site of the synthesis of proteins that may be exported from the cell?
A) rough ER
B) lysosomes
C) plasmodesmata
D) Golgi vesicles
E) tight junctions
Answer: A
Topic: Concept 6.4
Skill: Knowledge
14) Which of the following structures is most directly associated with the secretion of compounds that will become part of the plant cell wall?
A) smooth ER
B) rough ER
C) plasmodesmata
D) Golgi-derived vesicles
E) Golgi apparatus
Answer: D
Topic: Concept 6.4
Skill: Comprehension
15) The Golgi apparatus has a polarity or sidedness to its structure and function. Which of the following statements correctly describes this polarity?
A) Transport vesicles fuse with one side of the Golgi and leave from the opposite side.
B) Proteins in the membrane of the Golgi may be sorted and modified as they move from one side of the Golgi to the other.
C) Lipids in the membrane of the Golgi may be sorted and modified as they move from one side of the Golgi to the other.
D) Soluble proteins in the cisternae (interior) of the Golgi may be sorted and modified as they move from one side of the Golgi to the other.
E) All of the above correctly describe polar characteristics of the Golgi function.
Answer: E
Topic: Concept 6.4
Skill: Comprehension
16) Of the following, which is probably the most common route for membrane flow in the endomembrane system?
A) Golgi → lysosome → ER → plasma membrane
B) tonoplast → plasma membrane → nuclear envelope → smooth ER
C) nuclear envelope → lysosome → Golgi → plasma membrane
D) rough ER → vesicles → Golgi → plasma membrane
E) ER → chloroplasts → mitochondrion → cell membrane
Answer: D
Topic: Concept 6.4
Skill: Knowledge
17) Which of the following cell components is not directly involved in synthesis or secretion?
A) ribosome
B) rough endoplasmic reticulum
C) Golgi body
D) smooth endoplasmic reticulum
E) lysosome
Answer: E
Topic: Concept 6.4
Skill: Comprehension
18) In animal cells, hydrolytic enzymes are packaged to prevent general destruction of cellular components. Which of the following organelles functions in this compartmentalization?
A) chloroplast
B) lysosome
C) central vacuole
D) peroxisome
E) glyoxysome
Answer: B
Topic: Concept 6.4
Skill: Knowledge
19) Which of the following statements correctly describes some aspect of protein excretion in prokaryotic cells?
A) Prokaryotes are unlikely to be able to excrete proteins because they lack an endomembrane system.
B) The mechanism of protein excretion in prokaryotes is probably the same as that in eukaryotes.
C) Proteins that are excreted by prokaryotes are synthesized on ribosomes that are bound to the cytoplasmic surface of the plasma membrane.
D) In prokaryotes, the ribosomes that are used for the synthesis of secreted proteins are located outside of the cell.
E) Prokaryotes contain large pores in their plasma membrane that permit the movement of proteins out of the cell.
Answer: C
Topic: Concept 6.4
Skill: Application
Refer to the following five terms to answer the following questions.
Choose the most appropriate term for each phrase. Each term may be used once, more than once, or not at all.
A. lysosome B. vacuole C. mitochondrion D. Golgi apparatus E. peroxisome
20) produces and modifies polysaccharides that will be secreted
Answer: D
Topic: Concept 6.4
Skill: Knowledge
21) contains hydrolytic enzymes
Answer: A
Topic: Concept 6.4
Skill: Knowledge
22) helps to recycle the cell's organic material
Answer: A
Topic: Concept 6.4
Skill: Knowledge
23) one of the main energy transformers of cells
Answer: C
Topic: Concept 6.5
Skill: Knowledge
24) contains its own DNA and ribosomes
Answer: C
Topic: Concept 6.5
Skill: Knowledge
25) a compartment that often takes up much of the volume of a plant cell
Answer: B
Topic: Concept 6.4
Skill: Knowledge
26) contains enzymes that transfer hydrogen from various substrates to oxygen, producing [pic][pic]
Answer: E
Topic: Concept 6.5
Skill: Knowledge
27) a versatile plant compartment that may hold reserves of organic compounds or inorganic ions
Answer: B
Topic: Concept 6.4
Skill:
Knowledge
28) Of the following, what do both mitochondria and chloroplasts have in common?
A) ATP is produced.
B) DNA is present.
C) Ribosomes are present.
D) B and C only
E) A, B, and C are correct.
Answer: E
Topic: Concept 6.5
Skill: Knowledge
29) Grana, thylakoids, and stroma are all components found in
A) vacuoles.
B) chloroplasts.
C) mitochondria.
D) lysosomes.
E) nuclei.
Answer: B
Topic: Concept 6.5
Skill: Knowledge
30) Organelles other than the nucleus that contain DNA include
A) ribosomes.
B) mitochondria.
C) chloroplasts.
D) B and C only
E) A, B, and C
Answer: D
Topic: Concept 6.5
Skill: Knowledge
31) Which of the following statements incorrectly describes common structural features of an animal secretory cell and a photosynthetic plant cell?
A) Both cells have Golgi apparatus.
B) Both cells have mitochondria.
C) Both cells have chloroplasts.
D) Both cells have a plasma membrane.
E) Both cells have a nucleus.
Answer: C
Topic: Concept 6.5
Skill: Comprehension
32) Which of the following is a place where both DNA and ribosomes are unlikely to be found in any type of cell?
A) stroma of chloroplasts
B) mitochondrial matrix
C) nucleus
D) cytoplasm
E) Golgi apparatus
Answer: E
Topic: Concept 6.5
Skill: Comprehension
33) All of the following are correct matches of the location of a protein and the location of its synthesis except
A) plasma membrane protein-rough ER.
B) mitochondrial membrane protein-free cytoplasmic ribosomes.
C) cytoplasmic proteins-free cytoplasmic ribosomes.
D) chloroplast stromal protein-chloroplast ribosomes.
E) mitochondrial matrix protein-rough ER.
Answer: E
Topic: Concept 6.5
Skill: Application
34) A cell has the following molecules and structures: enzymes, DNA, ribosomes, plasma membrane, and mitochondria. It could be a cell from
A) a bacterium.
B) an animal, but not a plant.
C) a plant, but not an animal.
D) a plant or an animal.
E) any kind of organism.
Answer: D
Topic: Concept 6.5
Skill: Comprehension
35) Which of the following is not a known function of the cytoskeleton?
A) to maintain a critical limit on cell size
B) to provide mechanical support to the cell
C) to maintain the characteristic shape of the cell
D) to hold mitochondria and other organelles in place within the cytosol
E) to assist in cell motility by interacting with specialized motor proteins
Answer: A
Topic: Concept 6.6
Skill: Comprehension
36) Motor proteins provide for molecular motion in cells by interacting with what types of cellular structures?
A) sites of energy production in cellular respiration
B) membrane proteins
C) ribosomes
D) cytoskeletons
E) cellulose fibers in the cell wall
Answer: D
Topic: Concept 6.6
Skill: Knowledge
37) Cells can be described as having a cytoskeleton of internal structures that contribute to the shape, organization, and movement of the cell. All of the following are part of the cytoskeleton except
A) the nuclear envelope.
B) microtubules.
C) microfilaments.
D) intermediate filaments.
E) actin.
Answer: A
Topic: Concept 6.6
Skill: Knowledge
38) Which of the following pairs is mismatched?
A) nucleolus-ribosomal RNA
B) nucleus-DNA replication
C) lysosome-protein synthesis
D) cell membrane-lipid bilayer
E) cytoskeleton-microtubules
Answer: C
Topic: Concept 6.6
Skill: Comprehension
39) Which of the following contain the 9 + 2 arrangement of microtubules?
A) cilia
B) centrioles
C) flagella
D) A and C only
E) A, B, and C
Answer: D
Topic: Concept 6.6
Skill: Knowledge
40) Cells would be unable to form cilia or flagella if they did not have
A) centrosomes.
B) ribosomes.
C) actin.
D) A and B only
E) A, B, and C
Answer: D
Topic: Concept 6.7
Skill: Comprehension
41) Which of the following possesses a microtubular structure similar to a basal body?
A) centriole
B) lysosome
C) nucleolus
D) peroxisome
E) ribosome
Answer: A
Topic: Concept 6.6
Skill: Knowledge
42) Microfilaments are well known for their role in which of the following?
A) ameboid movement
B) formation of cleavage furrows
C) contracting of muscle cells
D) A and B only
E) A, B, and C
Answer: E
Topic: Concept 6.6
Skill: Comprehension
43) Which of the following statements about the cytoskeleton is incorrect?
A) The dynamic aspect of cytoskeletal function is made possible by the assembly and disassembly of a few simple types of proteins into large aggregates.
B) Microfilaments are structurally rigid and resist compression, while microtubules resist tension (stretching).
C) Movement of cilia and flagella is the result of motor proteins causing microtubules to move relative to each other.
D) Chemicals that block the assembly of the cytoskeleton would prevent many different processes in cells.
E) Transport vesicles among the membranes of the endomembrane system depend on the function of the cytoskeleton.
Answer: B
Topic: Concept 6.6
Skill: Application
44) All of the following serve an important role in determining or maintaining the structure of plant cells. Which of the following are distinct from the others in terms of composition?
A) microtubules
B) microfilaments
C) plant cell walls
D) intermediate filaments
E) nuclear lamina
Answer: C
Topic: Concept 6.7
Skill: Comprehension
45) Which of the following relationships between cell structures and their respective functions is not correct?
A) cell wall: support, protection
B) chloroplasts: chief sites of cellular respiration
C) chromosomes: genetic control information
D) ribosomes: site of protein synthesis
E) mitochondria: formation of ATP
Answer: B
Topic: Concept 6.7
Skill: Comprehension
46) A cell lacking the ability to make and secrete glycoproteins would most likely be deficient in its
A) nuclear DNA.
B) extracellular matrix.
C) Golgi apparatus.
D) B and C only
E) A, B, and C
Answer: D
Topic: Concept 6.7
Skill: Comprehension
47) The extracellular matrix is thought to participate in the regulation of animal cell behavior by communicating information from the outside to the inside of the cell via
A) gap junctions.
B) the nucleus.
C) DNA and RNA.
D) integrins.
E) plasmodesmata.
Answer: D
Topic: Concept 6.7
Skill: Knowledge
48) Plasmodesmata in plant cells are most similar in function to which of the following structures in animal cells?
A) peroxisomes
B) desmosomes
C) gap junctions
D) extracellular matrix
E) tight junctions
Answer: C
Topic: Concept 6.7
Skill: Comprehension
49) Ions can travel directly from the cytoplasm of one animal cell to the cytoplasm of an adjacent cell through
A) plasmodesmata.
B) intermediate filaments.
C) tight junctions.
D) desmosomes.
E) gap junctions.
Answer: E
Topic: Concept 6.7
Skill: Knowledge
Chapter 6: A Tour of the Cell
Chapter Questions
1) All of the following are part of a prokaryotic cell except
A) DNA.
B) a cell wall.
C) a plasma membrane.
D) ribosomes.
E) an endoplasmic reticulum.
Answer: E
Topic: Concept 6.2
Skill: Knowledge
2) The volume enclosed by the plasma membrane of plant cells is often much larger than the corresponding volume in animal cells. The most reasonable explanation for this observation is that
A) plant cells are capable of having a much higher surface-to-volume ratio than animal cells.
B) plant cells have a much more highly convoluted (folded) plasma membrane than animal cells.
C) plant cells contain a large vacuole that reduces the volume of the cytoplasm. …show more content…
D) animal cells are more spherical, while plant cells are elongated.
E) the basic functions of plant cells are very different from those of animal cells.
Answer: C
Topic: Concept 6.2
Skill: Comprehension
3) Which of the following comparisons between prokaryotic and eukaryotic cells is incorrect?
A) The lack of organelles in prokaryotes means that they are structurally less complex than eukaryotes.
B) The lack of internal membranes means that prokaryotes cannot compartmentalize function to the same extent as eukaryotes.
C) All membrane function in prokaryotes is accomplished in the plasma membrane, while in eukaryotes, these functions are more distributed among the organelles.
D) The specialization of function in organelles suggests that eukaryotes will contain a wider variety of phospholipids than prokaryotes.
E) The lack of organelles in prokaryotes means that the basic cellular functions are different in prokaryotes than in eukaryotes.
Answer: E
Topic: Concept 6.2
Skill: Application
For the following questions, use the lettered answers to match the structure to its proper cell type. Choose the most inclusive category. Each answer may be used once, more than once, or not at all.
A. a feature of all cells B. found in prokaryotic cells …show more content…
only C. found in eukaryotic cells only D. found in plant cells only E. found in animal cells only
4) plasma membrane
Answer: A
Topic: Concept 6.2
Skill: Knowledge
5) tonoplast
Answer: D
Topic: Concept 6.4
Skill: Knowledge
6) nucleoid
Answer: B
Topic: Concept 6.3
Skill: Knowledge
7) Which of the following does not contain functional ribosomes?
A) a prokaryotic cell
B) a plant mitochondrion
C) a chloroplast
D) an animal mitochondrion
E) a nucleolus
Answer: E
Topic: Concept 6.3
Skill: Knowledge
8) Large numbers of ribosomes are present in cells that specialize in producing which of the following molecules?
A) lipids
B) starches
C) proteins
D) steroids
E) glucose
Answer: C
Topic: Concept 6.3
Skill: Knowledge
9) Which of the following compounds require the presence of the nuclear pores to move between the cytoplasm and the interior of the nucleus?
A) ribosomal RNA
B) messenger RNA
C) proteins synthesized in the cytoplasm that are part of ribosomes
D) A and B only
E) A, B, and C
Answer: E
Topic: Concept 6.3
Skill: Comprehension
10) Which of the following organelles is not a common destination for small vesicles that bud off the Golgi apparatus?
A) plasma membrane
B) lysosomes
C) vacuole
D) endoplasmic reticulum
E) all of the above
Answer: D
Topic: Concept 6.3
Skill: Comprehension
11) Under which of the following conditions would you expect to find a cell with a predominance of free ribosomes?
A) a cell that is secreting proteins
B) a cell that is producing cytoplasmic enzymes
C) a cell that is constructing its cell wall or extracellular matrix
D) a cell that is digesting food particles
E) a cell that is enlarging its vacuole
Answer: B
Topic: Concepts 6.3, 6.4
Skill: Application
12) Which type of organelle is primarily involved in the synthesis of oils, phospholipids, and steroids?
A) ribosome
B) lysosome
C) smooth endoplasmic reticulum
D) mitochondrion
E) contractile vacuole
Answer: C
Topic: Concept 6.4
Skill: Knowledge
13) Which structure is the site of the synthesis of proteins that may be exported from the cell?
A) rough ER
B) lysosomes
C) plasmodesmata
D) Golgi vesicles
E) tight junctions
Answer: A
Topic: Concept 6.4
Skill: Knowledge
14) Which of the following structures is most directly associated with the secretion of compounds that will become part of the plant cell wall?
A) smooth ER
B) rough ER
C) plasmodesmata
D) Golgi-derived vesicles
E) Golgi apparatus
Answer: D
Topic: Concept 6.4
Skill: Comprehension
15) The Golgi apparatus has a polarity or sidedness to its structure and function. Which of the following statements correctly describes this polarity?
A) Transport vesicles fuse with one side of the Golgi and leave from the opposite side.
B) Proteins in the membrane of the Golgi may be sorted and modified as they move from one side of the Golgi to the other.
C) Lipids in the membrane of the Golgi may be sorted and modified as they move from one side of the Golgi to the other.
D) Soluble proteins in the cisternae (interior) of the Golgi may be sorted and modified as they move from one side of the Golgi to the other.
E) All of the above correctly describe polar characteristics of the Golgi function.
Answer: E
Topic: Concept 6.4
Skill: Comprehension
16) Of the following, which is probably the most common route for membrane flow in the endomembrane system?
A) Golgi → lysosome → ER → plasma membrane
B) tonoplast → plasma membrane → nuclear envelope → smooth ER
C) nuclear envelope → lysosome → Golgi → plasma membrane
D) rough ER → vesicles → Golgi → plasma membrane
E) ER → chloroplasts → mitochondrion → cell membrane
Answer: D
Topic: Concept 6.4
Skill: Knowledge
17) Which of the following cell components is not directly involved in synthesis or secretion?
A) ribosome
B) rough endoplasmic reticulum
C) Golgi body
D) smooth endoplasmic reticulum
E) lysosome
Answer: E
Topic: Concept 6.4
Skill: Comprehension
18) In animal cells, hydrolytic enzymes are packaged to prevent general destruction of cellular components. Which of the following organelles functions in this compartmentalization?
A) chloroplast
B) lysosome
C) central vacuole
D) peroxisome
E) glyoxysome
Answer: B
Topic: Concept 6.4
Skill: Knowledge
19) Which of the following statements correctly describes some aspect of protein excretion in prokaryotic cells?
A) Prokaryotes are unlikely to be able to excrete proteins because they lack an endomembrane system.
B) The mechanism of protein excretion in prokaryotes is probably the same as that in eukaryotes.
C) Proteins that are excreted by prokaryotes are synthesized on ribosomes that are bound to the cytoplasmic surface of the plasma membrane.
D) In prokaryotes, the ribosomes that are used for the synthesis of secreted proteins are located outside of the cell.
E) Prokaryotes contain large pores in their plasma membrane that permit the movement of proteins out of the cell.
Answer: C
Topic: Concept 6.4
Skill: Application
Refer to the following five terms to answer the following questions.
Choose the most appropriate term for each phrase. Each term may be used once, more than once, or not at all.
A. lysosome B. vacuole C. mitochondrion D. Golgi apparatus E. peroxisome
20) produces and modifies polysaccharides that will be secreted
Answer: D
Topic: Concept 6.4
Skill: Knowledge
21) contains hydrolytic enzymes
Answer: A
Topic: Concept 6.4
Skill: Knowledge
22) helps to recycle the cell's organic material
Answer: A
Topic: Concept 6.4
Skill: Knowledge
23) one of the main energy transformers of cells
Answer: C
Topic: Concept 6.5
Skill: Knowledge
24) contains its own DNA and ribosomes
Answer: C
Topic: Concept 6.5
Skill: Knowledge
25) a compartment that often takes up much of the volume of a plant cell
Answer: B
Topic: Concept 6.4
Skill: Knowledge
26) contains enzymes that transfer hydrogen from various substrates to oxygen, producing [pic][pic]
Answer: E
Topic: Concept 6.5
Skill: Knowledge
27) a versatile plant compartment that may hold reserves of organic compounds or inorganic ions
Answer: B
Topic: Concept 6.4
Skill:
Knowledge
28) Of the following, what do both mitochondria and chloroplasts have in common?
A) ATP is produced.
B) DNA is present.
C) Ribosomes are present.
D) B and C only
E) A, B, and C are correct.
Answer: E
Topic: Concept 6.5
Skill: Knowledge
29) Grana, thylakoids, and stroma are all components found in
A) vacuoles.
B) chloroplasts.
C) mitochondria.
D) lysosomes.
E) nuclei.
Answer: B
Topic: Concept 6.5
Skill: Knowledge
30) Organelles other than the nucleus that contain DNA include
A) ribosomes.
B) mitochondria.
C) chloroplasts.
D) B and C only
E) A, B, and C
Answer: D
Topic: Concept 6.5
Skill: Knowledge
31) Which of the following statements incorrectly describes common structural features of an animal secretory cell and a photosynthetic plant cell?
A) Both cells have Golgi apparatus.
B) Both cells have mitochondria.
C) Both cells have chloroplasts.
D) Both cells have a plasma membrane.
E) Both cells have a nucleus.
Answer: C
Topic: Concept 6.5
Skill: Comprehension
32) Which of the following is a place where both DNA and ribosomes are unlikely to be found in any type of cell?
A) stroma of chloroplasts
B) mitochondrial matrix
C) nucleus
D) cytoplasm
E) Golgi apparatus
Answer: E
Topic: Concept 6.5
Skill: Comprehension
33) All of the following are correct matches of the location of a protein and the location of its synthesis except
A) plasma membrane protein-rough ER.
B) mitochondrial membrane protein-free cytoplasmic ribosomes.
C) cytoplasmic proteins-free cytoplasmic ribosomes.
D) chloroplast stromal protein-chloroplast ribosomes.
E) mitochondrial matrix protein-rough ER.
Answer: E
Topic: Concept 6.5
Skill: Application
34) A cell has the following molecules and structures: enzymes, DNA, ribosomes, plasma membrane, and mitochondria. It could be a cell from
A) a bacterium.
B) an animal, but not a plant.
C) a plant, but not an animal.
D) a plant or an animal.
E) any kind of organism.
Answer: D
Topic: Concept 6.5
Skill: Comprehension
35) Which of the following is not a known function of the cytoskeleton?
A) to maintain a critical limit on cell size
B) to provide mechanical support to the cell
C) to maintain the characteristic shape of the cell
D) to hold mitochondria and other organelles in place within the cytosol
E) to assist in cell motility by interacting with specialized motor proteins
Answer: A
Topic: Concept 6.6
Skill: Comprehension
36) Motor proteins provide for molecular motion in cells by interacting with what types of cellular structures?
A) sites of energy production in cellular respiration
B) membrane proteins
C) ribosomes
D) cytoskeletons
E) cellulose fibers in the cell wall
Answer: D
Topic: Concept 6.6
Skill: Knowledge
37) Cells can be described as having a cytoskeleton of internal structures that contribute to the shape, organization, and movement of the cell. All of the following are part of the cytoskeleton except
A) the nuclear envelope.
B) microtubules.
C) microfilaments.
D) intermediate filaments.
E) actin.
Answer: A
Topic: Concept 6.6
Skill: Knowledge
38) Which of the following pairs is mismatched?
A) nucleolus-ribosomal RNA
B) nucleus-DNA replication
C) lysosome-protein synthesis
D) cell membrane-lipid bilayer
E) cytoskeleton-microtubules
Answer: C
Topic: Concept 6.6
Skill: Comprehension
39) Which of the following contain the 9 + 2 arrangement of microtubules?
A) cilia
B) centrioles
C) flagella
D) A and C only
E) A, B, and C
Answer: D
Topic: Concept 6.6
Skill: Knowledge
40) Cells would be unable to form cilia or flagella if they did not have
A) centrosomes.
B) ribosomes.
C) actin.
D) A and B only
E) A, B, and C
Answer: D
Topic: Concept 6.7
Skill: Comprehension
41) Which of the following possesses a microtubular structure similar to a basal body?
A) centriole
B) lysosome
C) nucleolus
D) peroxisome
E) ribosome
Answer: A
Topic: Concept 6.6
Skill: Knowledge
42) Microfilaments are well known for their role in which of the following?
A) ameboid movement
B) formation of cleavage furrows
C) contracting of muscle cells
D) A and B only
E) A, B, and C
Answer: E
Topic: Concept 6.6
Skill: Comprehension
43) Which of the following statements about the cytoskeleton is incorrect?
A) The dynamic aspect of cytoskeletal function is made possible by the assembly and disassembly of a few simple types of proteins into large aggregates.
B) Microfilaments are structurally rigid and resist compression, while microtubules resist tension (stretching).
C) Movement of cilia and flagella is the result of motor proteins causing microtubules to move relative to each other.
D) Chemicals that block the assembly of the cytoskeleton would prevent many different processes in cells.
E) Transport vesicles among the membranes of the endomembrane system depend on the function of the cytoskeleton.
Answer: B
Topic: Concept 6.6
Skill: Application
44) All of the following serve an important role in determining or maintaining the structure of plant cells. Which of the following are distinct from the others in terms of composition?
A) microtubules
B) microfilaments
C) plant cell walls
D) intermediate filaments
E) nuclear lamina
Answer: C
Topic: Concept 6.7
Skill: Comprehension
45) Which of the following relationships between cell structures and their respective functions is not correct?
A) cell wall: support, protection
B) chloroplasts: chief sites of cellular respiration
C) chromosomes: genetic control information
D) ribosomes: site of protein synthesis
E) mitochondria: formation of ATP
Answer: B
Topic: Concept 6.7
Skill: Comprehension
46) A cell lacking the ability to make and secrete glycoproteins would most likely be deficient in its
A) nuclear DNA.
B) extracellular matrix.
C) Golgi apparatus.
D) B and C only
E) A, B, and C
Answer: D
Topic: Concept 6.7
Skill: Comprehension
47) The extracellular matrix is thought to participate in the regulation of animal cell behavior by communicating information from the outside to the inside of the cell via
A) gap junctions.
B) the nucleus.
C) DNA and RNA.
D) integrins.
E) plasmodesmata.
Answer: D
Topic: Concept 6.7
Skill: Knowledge
48) Plasmodesmata in plant cells are most similar in function to which of the following structures in animal cells?
A) peroxisomes
B) desmosomes
C) gap junctions
D) extracellular matrix
E) tight junctions
Answer: C
Topic: Concept 6.7
Skill: Comprehension
49) Ions can travel directly from the cytoplasm of one animal cell to the cytoplasm of an adjacent cell through
A) plasmodesmata.
B) intermediate filaments.
C) tight junctions.
D) desmosomes.
E) gap junctions.
Answer: E
Topic: Concept 6.7
Skill: Knowledge