Question 1

Which of the following are found in plant, animal, and bacterial cells?

Accepted Answer

A)   mitochondria
B)   ribosomes
C)   chloroplasts
D)   endoplasmic reticulumE) C) and D)
F) B) and C)

Question 2

A characteristic 9 + 2 arrangement of microtubules, consisting of nine doublets of microtubules surrounding a pair of single microtubules is associated with ________.

Accepted Answer

A)   bacterial flagella
B)   eukaryotic flagella and motile cilia
C)   eukaryotic flagella, motile cilia, and nonmotile cilia
D)   centrioles and basal bodiesE) B) and C)
F) None of the above

Question 3

Suppose a cell has the following molecules and structures: enzymes, DNA, ribosomes, plasma membrane, and mitochondria. It could be a cell from ________.

Accepted Answer

A)   a bacterium, but not a eukaryote
B)   an animal, but not a plant
C)   nearly any eukaryotic organism
D)   a plant, but not an animalE) A) and D)
F) A) and C)

Question 4

Ions can travel directly from the cytoplasm of one animal cell to the cytoplasm of an adjacent cell through ________.

Accepted Answer

A)   plasmodesmata
B)   tight junctions
C)   desmosomes
D)   gap junctionsE) All of the above
F) A) and B)

Question 5

Which of the following macromolecules enter the nucleus of a eukaryotic cell through pores in the nuclear membrane?

Accepted Answer

A)   ribosomal proteins
B)   mRNA
C)   rRNA
D)   phospholipidsE) A) and D)
F) A) and C)

Question 6

Vinblastine, a drug that inhibits microtubule polymerization, is used to treat some forms of cancer. Cancer cells given vinblastine would be unable to ________.

Accepted Answer

A)   form cleavage furrows during cell division
B)   migrate by amoeboid movement
C)   separate chromosomes during cell division
D)   maintain the shape of the nucleusE) B) and C)
F) None of the above

Question 7

Which of the following is present in a prokaryotic cell?

Accepted Answer

A)   mitochondrion
B)   ribosome
C)   nuclear envelope
D)   chloroplastE) All of the above
F) A) and C)

Question 8

Asbestos is a material that was once used extensively in construction. One risk from working in a building that contains asbestos is the development of asbestosis caused by the inhalation of asbestos fibers. Cells will take up asbestos by phagocytosis, but are not able to degrade it. As a result, asbestos fibers accumulate in ________.

Accepted Answer

A)   the Golgi apparatus
B)   nuclei
C)   peroxisomes
D)   lysosomesE) B) and C)
F) A) and D)

Question 9

Which of the following statements about the cytoskeleton is true?

Accepted Answer

A)   The cytoskeleton of eukaryotes is a static structure most resembling scaffolding used at construction sites.
B)   Although microtubules are common within a cell, actin filaments are rarely found outside of the nucleus.
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 have little effect on a cell's response to external stimuli.E) A) and D)
F) C) and D)

Question 10

What is the function of the nuclear pore complex found in eukaryotes?

Accepted Answer

A)   It regulates the movement of proteins and RNAs into and out of the nucleus.
B)   It synthesizes the proteins required to copy DNA and make mRNA.
C)   It synthesizes secreted proteins.
D)   It assembles ribosomes from raw materials that are synthesized in the nucleus.E) B) and D)
F) A) and D)

Question 11

A cell with a predominance of rough endoplasmic reticulum is most likely ________.

Accepted Answer

A)   producing large quantities of proteins for secretion
B)   producing large quantities of proteins in the cytosol
C)   producing large quantities of carbohydrates to assemble an extensive cell wall matrix
D)   producing large quantities of carbohydrates for storage in the vacuoleE) None of the above
F) All of the above

Question 12

Which organelle often takes up much of the volume of a plant cell?

Accepted Answer

A)   lysosome
B)   central vacuole
C)   Golgi apparatus
D)   chloroplastE) B) and C)
F) A) and D)

Question 13

Which of the following organelles produces and modifies polysaccharides that will be secreted?

Accepted Answer

A)   lysosome
B)   mitochondrion
C)   Golgi apparatus
D)   peroxisomeE) A) and D)
F) A) and B)

Question 14

The nuclear lamina is an array of intermediate filaments that line the inner side of the nuclear membrane. If a chemical treatment caused the lamina to disassemble, what would you expect to be the most likely immediate consequence?

Accepted Answer

A)   closing of nuclear pores
B)   the inability of the nucleus to divide during cell division
C)   a loss of genetic information from chromosomes
D)   a change in the shape of the nucleusE) B) and D)
F) All of the above

Question 15

Spherocytosis is a human blood disorder associated with a defective cytoskeletal protein in the red blood cells (RBCs) . What do you suspect is the consequence of such a defect?

Accepted Answer

A)   abnormally shaped RBCs
B)   an insufficient supply of ATP in the RBCs
C)   an insufficient supply of oxygen-transporting proteins in the RBCs
D)   adherence of RBCs to blood vessel walls, causing plaque formationE) B) and C)
F) C) and D)

Question 16

Thylakoids, DNA, and ribosomes are all components found in ________.

Accepted Answer

A)   chloroplasts
B)   mitochondria
C)   lysosomes
D)   nucleiE) C) and D)
F) A) and C)

Question 17

Which of the following would be most appropriate method to observe and measure the size of ribosomes in a eukaryotic cell?

Accepted Answer

A)   a hand lens (magnifying glass) 
B)   standard light microscopy
C)   scanning electron microscopy
D)   transmission electron microscopyE) A) and B)
F) A) and C)

Question 18

Which of the following is the most common pathway taken by a newly synthesized protein that will be secreted by a cell?

Accepted Answer

A)   rough ER → Golgi → transport vesicle → nucleus
B)   Golgi → rough ER → lysosome → transport vesicle → plasma membrane
C)   rough ER → Golgi → transport vesicle → plasma membrane
D)   rough ER → lysosome → transport vesicle → plasma membraneE) B) and C)
F) A) and D)

Question 19

Which of the following would be most appropriate method to observe the three-dimensional structure and organization of microvilli on an intestinal cell?

Accepted Answer

A)   a hand lens (magnifying glass) 
B)   standard light microscopy
C)   scanning electron microscopy
D)   transmission electron microscopyE) B) and C)
F) All of the above

Question 20

Examination of a cell by transmission electron microscopy reveals a high density of ribosomes in the cytoplasm. This observation suggests that this cell is actively producing large amounts of which of the following molecules?

Accepted Answer

A)   polysaccharides
B)   proteins
C)   lipids
D)   nucleic acidsE) B) and C)
F) A) and B)

Exam 6: A Tour of the Cell

A cell with a predominance of rough endoplasmic reticulum is most likely ________.

Correct Answer
verified

Which of the following is the most common pathway taken by a newly synthesized protein that will be secreted by a cell?

Correct Answer
verified

What is the function of the nuclear pore complex found in eukaryotes?

Correct Answer
verified

Suppose a cell has the following molecules and structures: enzymes, DNA, ribosomes, plasma membrane, and mitochondria. It could be a cell from ________.

Correct Answer
verified

Which of the following organelles produces and modifies polysaccharides that will be secreted?

Correct Answer
verified

Thylakoids, DNA, and ribosomes are all components found in ________.

Correct Answer
verified

Which of the following is present in a prokaryotic cell?

Correct Answer
verified

Which of the following are found in plant, animal, and bacterial cells?

Correct Answer
verified

Which of the following statements about the cytoskeleton is true?

Correct Answer
verified

A characteristic 9 + 2 arrangement of microtubules, consisting of nine doublets of microtubules surrounding a pair of single microtubules is associated with ________.

Correct Answer
verified

Spherocytosis is a human blood disorder associated with a defective cytoskeletal protein in the red blood cells (RBCs) . What do you suspect is the consequence of such a defect?

Correct Answer
verified

The nuclear lamina is an array of intermediate filaments that line the inner side of the nuclear membrane. If a chemical treatment caused the lamina to disassemble, what would you expect to be the most likely immediate consequence?

Correct Answer
verified

Which of the following would be most appropriate method to observe the three-dimensional structure and organization of microvilli on an intestinal cell?

Correct Answer
verified

Correct Answer
verified

Vinblastine, a drug that inhibits microtubule polymerization, is used to treat some forms of cancer. Cancer cells given vinblastine would be unable to ________.

Correct Answer
verified

Which organelle often takes up much of the volume of a plant cell?

Correct Answer
verified

Ions can travel directly from the cytoplasm of one animal cell to the cytoplasm of an adjacent cell through ________.

Correct Answer
verified

Which of the following would be most appropriate method to observe and measure the size of ribosomes in a eukaryotic cell?

Correct Answer
verified

Which of the following macromolecules enter the nucleus of a eukaryotic cell through pores in the nuclear membrane?

Correct Answer
verified

Examination of a cell by transmission electron microscopy reveals a high density of ribosomes in the cytoplasm. This observation suggests that this cell is actively producing large amounts of which of the following molecules?

Correct Answer
verified

Exam 6: A Tour of the Cell

A cell with a predominance of rough endoplasmic reticulum is most likely ________.

Correct AnswerverifiedShow Answer

Which of the following is the most common pathway taken by a newly synthesized protein that will be secreted by a cell?

Correct AnswerverifiedShow Answer

What is the function of the nuclear pore complex found in eukaryotes?

Correct AnswerverifiedShow Answer

Suppose a cell has the following molecules and structures: enzymes, DNA, ribosomes, plasma membrane, and mitochondria. It could be a cell from ________.

Correct AnswerverifiedShow Answer

Which of the following organelles produces and modifies polysaccharides that will be secreted?

Correct AnswerverifiedShow Answer

Thylakoids, DNA, and ribosomes are all components found in ________.

Correct AnswerverifiedShow Answer

Which of the following is present in a prokaryotic cell?

Correct AnswerverifiedShow Answer

Which of the following are found in plant, animal, and bacterial cells?

Correct AnswerverifiedShow Answer

Which of the following statements about the cytoskeleton is true?

Correct AnswerverifiedShow Answer

A characteristic 9 + 2 arrangement of microtubules, consisting of nine doublets of microtubules surrounding a pair of single microtubules is associated with ________.

Correct AnswerverifiedShow Answer

Spherocytosis is a human blood disorder associated with a defective cytoskeletal protein in the red blood cells (RBCs) . What do you suspect is the consequence of such a defect?

Correct AnswerverifiedShow Answer

The nuclear lamina is an array of intermediate filaments that line the inner side of the nuclear membrane. If a chemical treatment caused the lamina to disassemble, what would you expect to be the most likely immediate consequence?

Correct AnswerverifiedShow Answer

Which of the following would be most appropriate method to observe the three-dimensional structure and organization of microvilli on an intestinal cell?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Vinblastine, a drug that inhibits microtubule polymerization, is used to treat some forms of cancer. Cancer cells given vinblastine would be unable to ________.

Correct AnswerverifiedShow Answer

Which organelle often takes up much of the volume of a plant cell?

Correct AnswerverifiedShow Answer

Ions can travel directly from the cytoplasm of one animal cell to the cytoplasm of an adjacent cell through ________.

Correct AnswerverifiedShow Answer

Which of the following would be most appropriate method to observe and measure the size of ribosomes in a eukaryotic cell?

Correct AnswerverifiedShow Answer

Which of the following macromolecules enter the nucleus of a eukaryotic cell through pores in the nuclear membrane?

Correct AnswerverifiedShow Answer

Examination of a cell by transmission electron microscopy reveals a high density of ribosomes in the cytoplasm. This observation suggests that this cell is actively producing large amounts of which of the following molecules?

Correct AnswerverifiedShow Answer

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verified

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