Chapter 3 – Cell Structure & Function | Test Bank – 16e

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Human Biology, 16e (Mader)

Chapter 3 Cell Structure and Function

1) What are the folds in mitochondrial membranes called?

A) matrix

B) cristae

C) rugae

D) lumen

E) villi

Section: 03.06

Topic: Organelles

Bloom's: 1. Remember

Learning Outcome: 03.06.01 Understand the relationship of products and reactants in a metabolic reaction.

Accessibility: Keyboard Navigation

2) The gel-like fluid substance within a mitochondrion is called the

A) matrix.

B) cristae.

C) rugae.

D) effluvium.

E) villi.

Section: 03.06

Topic: Organelles

Bloom's: 1. Remember

Learning Outcome: 03.06.01 Understand the relationship of products and reactants in a metabolic reaction.

Accessibility: Keyboard Navigation

3) The sum of all of the chemical reactions that occur in a cell collectively are called

A) respiration.

B) anabolism.

C) photosynthesis.

D) metabolism.

E) reaction summary.

Section: 03.06

Topic: Metabolic Pathways

Bloom's: 1. Remember

Learning Outcome: 03.06.01 Understand the relationship of products and reactants in a metabolic reaction.; 03.06.02 Identify the role of an enzyme in a metabolic reaction.

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4) In a metabolic pathway, substrate Z is broken down to form products Y and X. Y is further broken down into products V and W. How many enzymes are required for this metabolic pathway?

A) one

B) two

C) three

D) four

E) five

Section: 03.06

Topic: Enzymes

Bloom's: 4. Analyze

Learning Outcome: 03.06.02 Identify the role of an enzyme in a metabolic reaction.

Accessibility: Keyboard Navigation

5) Why is glycolysis believed to have evolved early in the history of life?

A) It breaks down sugar.

B) It produces energy.

C) It is present in most every type of cell.

D) It does not require oxygen.

E) It splits a 6-carbon molecule into two 3-carbon molecules.

Section: 03.06

Topic: Glycolysis

Bloom's: 2. Understand

Learning Outcome: 03.06.03 Summarize the roles of anaerobic and aerobic pathways in energy generation.

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6) Which of the following steps in the breakdown of glucose directly requires the use of oxygen?

A) glycolysis

B) citric acid cycle

C) electron transport chain

D) acetyl CoA conversion

E) None of these answer choices requires oxygen.

Section: 03.06

Topic: Electron Transport Chain

Bloom's: 4. Analyze

Learning Outcome: 03.06.03 Summarize the roles of anaerobic and aerobic pathways in energy generation.

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7) What is the maximum number of ATP molecules produced during aerobic respiration?

A) 38

B) 36

C) 32

D) 2

E) 4

Section: 03.06

Topic: Cellular Respiration

Bloom's: 2. Understand

Learning Outcome: 03.06.03 Summarize the roles of anaerobic and aerobic pathways in energy generation.

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8) Only glucose can be used as an energy source in the human body.

Section: 03.06

Topic: Cellular Respiration

Bloom's: 2. Understand

Learning Outcome: 03.06.03 Summarize the roles of anaerobic and aerobic pathways in energy generation.

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9) List, in order, the stages of aerobic cellular respiration.

Section: 03.06

Topic: Cellular Respiration

Bloom's: 6. Create

Learning Outcome: 03.06.03 Summarize the roles of anaerobic and aerobic pathways in energy generation.

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10) The first day of football practice was rough on the squad. During practice, the players complained of cramps and sore muscles. Although there is evidence to suggest that many different factors may contribute to this, which of the following is most likely to play a role in the soreness?

A) glucose

B) alcohol

C) carbon dioxide

D) carbon monoxide

E) lactate

Section: 03.06

Topic: Fermentation and Anaerobic Respiration

Bloom's: 3. Apply

Learning Outcome: 03.06.03 Summarize the roles of anaerobic and aerobic pathways in energy generation.

Accessibility: Keyboard Navigation

11) Explain what occurs during endocytosis.

Section: 03.03

Topic: Active Transport

Bloom's: 6. Create

Learning Outcome: 03.03.05 Summarize how eukaryotic cells move large molecules across membranes.

Accessibility: Keyboard Navigation

12) Since all organisms carry on cellular respiration, all living cells must contain mitochondria.

Section: 03.02

Topic: Prokaryote Structure; Eukaryote Structure; Cellular Respiration

Bloom's: 5. Evaluate

Learning Outcome: 03.02.01 Distinguish between the structure of a prokaryotic cell and that of a eukaryotic cell.

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13) If the mitochondrion is the result of endosymbiosis, what membrane of the mitochondrion represents the engulfing vesicle?

A) the outer mitochondrial membrane

B) vacuole

C) cristae

D) matrix

E) grana

Section: 03.02

Topic: Eukaryote Structure

Bloom's: 4. Analyze

Learning Outcome: 03.02.03 Summarize how eukaryotic cells evolved from prokaryotic cells.

Accessibility: Keyboard Navigation

14) Fermentation produces more ATP than does aerobic respiration.  

Section: 03.06

Topic: Fermentation and Anaerobic Respiration

Bloom's: 1. Remember

Learning Outcome: 03.06.03 Summarize the roles of anaerobic and aerobic pathways in energy generation.

Accessibility: Keyboard Navigation

15) When ATP is broken down, heat is released.

Section: 03.06

Topic: ATP

Bloom's: 1. Remember

Learning Outcome: 03.06.04 Illustrate the stages of the ATP cycle.

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16) If you could remove all the phosphate in the cell, what would happen to the ATP cycle?

A) It would stop when all the ATP had been converted into ADP.

B) It would stop when all the ADP had been converted into ATP.

C) It would cycle faster because the lack of phosphate would drive the cycle.

D) It would cycle faster because of the buildup of ATP.

E) It would not affect the ATP cycle.

Section: 03.06

Topic: ATP

Bloom's: 4. Analyze

Learning Outcome: 03.06.04 Illustrate the stages of the ATP cycle.

Accessibility: Keyboard Navigation

17) ________ are the fundamental units that make up all living things.

A) Compartments

B) Cells

C) Chromosomes

D) Coelom

E) Cristae

Section: 03.01

Topic: Cell Theory

Bloom's: 1. Remember

Learning Outcome: 03.01.01 State the basic principles of the cell theory.

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18) The size of a metabolizing cell is limited by its

A) extracellular matrix.

B) function.

C) nuclear size.

D) surface-area-to-volume ratio.

E) genome size.

Section: 03.01

Topic: Cell Theory

Bloom's: 1. Remember

Learning Outcome: 03.01.02 Explain how the surface-area-to-volume ratio limits cell size.

Accessibility: Keyboard Navigation

19) Whose work proved conclusively that spontaneous generation of life from nonlife was not possible?

A) Louis Pasteur

B) Charles Darwin

C) John Ray

D) Walther Flemming

E) Georges Cuvier

Section: 03.01

Topic: Cell Theory

Bloom's: 1. Remember

Learning Outcome: 03.01.01 State the basic principles of the cell theory.

Accessibility: Keyboard Navigation

20) The reason that metabolizing cells are small in size is because

A) cells influence nearby cells to divide.

B) the surface area of a cell must be able to accomplish nutrient/waste exchange.

C) cells need to dissipate heat effectively.

D) mitosis occurs before cells reach a certain size.

E) cells need to communicate with adjacent cells.

Section: 03.01

Topic: Plasma Membrane

Bloom's: 2. Understand

Learning Outcome: 03.01.02 Explain how the surface-area-to-volume ratio limits cell size.

Accessibility: Keyboard Navigation

21) In developing embryos such as a chicken, what restores the amount of surface area needed for exchange requirements?

A) respiration

B) catabolism

C) anabolism

D) cell division

E) assimilation

Section: 03.01

Topic: Plasma Membrane

Bloom's: 2. Understand

Learning Outcome: 03.01.02 Explain how the surface-area-to-volume ratio limits cell size.

Accessibility: Keyboard Navigation

22) If a cube has sides of 3 nm, what are the surface area and the volume of the cube?

A) 24 nm2, 8 nm3

B) 38 nm2, 16 nm3

C) 54 nm2, 27 nm3

D) 64 nm2, 24 nm3

E) 18 nm2, 6 nm3

Section: 03.01

Topic: Plasma Membrane

Bloom's: 4. Analyze

Learning Outcome: 03.01.02 Explain how the surface-area-to-volume ratio limits cell size.

Accessibility: Keyboard Navigation

23) What is the name of a photograph of a specimen obtained with a microscope?

A) negative

B) dermatome

C) thermograph

D) micrograph

E) chromatograph

Section: 03.01

Topic: Cell Theory

Bloom's: 1. Remember

Learning Outcome: 03.01.03 Summarize the role of microscopy in the study of cells.

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24) Viruses are not made up of cells. According to cell theory, this means what?

A) Viruses can cause disease.

B) Cells come only from pre-existing cells.

C) Cells can be infected by viruses.

D) Viruses are not living.

E) Cells and viruses are the same thing.

Section: 03.01

Topic: Cell Theory

Bloom's: 4. Analyze

Learning Outcome: 03.01.01 State the basic principles of the cell theory.

Accessibility: Keyboard Navigation

25) Brett needs to distinguish two points that are 0.5 mm apart. What is the easiest way to do this?

A) Use a transmission electron microscope.

B) Use a compound light microscope.

C) Use his eyes.

D) Use a magnifying glass.

E) Use a scanning electron microscope.

Section: 03.01

Topic: Cell Theory

Bloom's: 3. Apply

Learning Outcome: 03.01.03 Summarize the role of microscopy in the study of cells.

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26) The light microscope has a resolving power of

A) 0.1 mm.

B) 0.01 mm.

C) 0.0001 mm.

D) 0.000001 mm.

E) 0.00000001 mm.

Section: 03.01

Topic: Cell Theory

Bloom's: 1. Remember

Learning Outcome: 03.01.03 Summarize the role of microscopy in the study of cells.

Accessibility: Keyboard Navigation

27) What type of microscopy provides a three-dimensional view of the surface of an object?

A) compound light microscope

B) transmission electron microscope

C) scanning electron microscope

D) phase contrast microscope

E) ultraviolet microscope

Section: 03.01

Topic: Cell Theory

Bloom's: 1. Remember

Learning Outcome: 03.01.03 Summarize the role of microscopy in the study of cells.

Accessibility: Keyboard Navigation

28) Angela would like to look at living algae from pond water. What type of equipment should she use?

A) compound light microscope

B) transmission electron microscope

C) scanning electron microscope

D) magnifying glass

E) her naked eye

Section: 03.01

Topic: Cell Theory

Bloom's: 3. Apply

Learning Outcome: 03.01.03 Summarize the role of microscopy in the study of cells.

Accessibility: Keyboard Navigation

29) Biologists classify cells into two broad categories—animals and plants.

Section: 03.02

Topic: Eukaryote Structure

Bloom's: 1. Remember

Learning Outcome: 03.02.01 Distinguish between the structure of a prokaryotic cell and that of a eukaryotic cell.

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30) Which of the following structures are present in both eukaryotes and prokaryotes?

A) plasma membrane

B) nucleus

C) endoplasmic reticulum

D) Golgi body

E) mitochondria

Section: 03.02

Topic: Eukaryote Structure

Bloom's: 2. Understand

Learning Outcome: 03.02.01 Distinguish between the structure of a prokaryotic cell and that of a eukaryotic cell.

Accessibility: Keyboard Navigation

31) Because bacteria are prokaryotes, they do not have DNA.

Section: 03.02

Topic: Prokaryote Structure

Bloom's: 2. Understand

Learning Outcome: 03.02.01 Distinguish between the structure of a prokaryotic cell and that of a eukaryotic cell.

Accessibility: Keyboard Navigation

32) The phospholipid bilayer that surrounds/maintains the integrity of a cell is called a

A) plasma membrane.

B) Sanger enclosure.

C) hydrophobic membrane.

D) dialysis membrane.

E) mosaic membrane.

Section: 03.02

Topic: Plasma Membrane

Bloom's: 1. Remember

Learning Outcome: 03.02.02 Identify the roles of the plasma membrane and the organelles of a cell.

Accessibility: Keyboard Navigation

33) What is the name of the semi-fluid medium inside the cell?

A) nucleolus

B) cytoplasm

C) organelle

D) cytoskeleton

E) mitochondrion

Section: 03.02

Topic: Eukaryote Structure

Bloom's: 1. Remember

Learning Outcome: 03.02.02 Identify the roles of the plasma membrane and the organelles of a cell.

Accessibility: Keyboard Navigation

34) The cytoplasm is not considered a cellular organelle.

Section: 03.02

Topic: Eukaryote Structure

Bloom's: 5. Evaluate

Learning Outcome: 03.02.02 Identify the roles of the plasma membrane and the organelles of a cell.

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35) The plasma membrane contains how many layers of phospholipids?

A) one

B) two

C) four

D) eight

E) sixteen

Section: 03.02

Topic: Plasma Membrane

Bloom's: 2. Understand

Learning Outcome: 03.02.02 Identify the roles of the plasma membrane and the organelles of a cell.

Accessibility: Keyboard Navigation

36) Paleontologists have discovered ancient prokaryotic fossils dated at over 3.5 billion years old. These fossils resemble prokaryotes that are capable of living in extreme conditions such as high temperature and salinity. What domain do these prokaryotes belong to?

A) Protists

B) Protoctista

C) Archaea

D) Archetista

E) Eukarya

Section: 03.02

Topic: Prokaryote Structure

Bloom's: 4. Analyze

Learning Outcome: 03.02.03 Summarize how eukaryotic cells evolved from prokaryotic cells.

Accessibility: Keyboard Navigation

37) Which statement describes the possible origins of cell organelles in eukaryotes?

A) invagination of the plasma membrane to form endoplasmic reticulum.

B) incorporation of engulfed heterotrophic bacteria to form mitochondria.

C) incorporation of engulfed autotrophic cyanobacteria to form chloroplasts.

D) a symbiotic relationship between a host cell and a prokaryote that was taken up but not destroyed. 

E) All of the answer choices are possible explanations. 

Section: 03.02

Topic: Origin of Cells

Bloom's: 4. Analyze

Learning Outcome: 03.02.03 Summarize how eukaryotic cells evolved from prokaryotic cells.

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38) Archaea are considered the evolutionary precursors to eukaryotic cells.

Section: 03.02

Topic: Origin of Cells

Bloom's: 2. Understand

Learning Outcome: 03.02.03 Summarize how eukaryotic cells evolved from prokaryotic cells.

Accessibility: Keyboard Navigation

39) In the fluid-mosaic model of the plasma membrane, the phospholipid molecules are oriented so that the ________ heads are facing the outside environment and the ________ tails are facing the interior of the membrane.

A) hydrophobic; hydrophilic

B) hydrophilic; hydrophobic

C) autotrophic; heterotrophic

D) heterotrophic; autotrophic

E) ectothermic; endothermic

Section: 03.03

Topic: Plasma Membrane

Bloom's: 2. Understand

Learning Outcome: 03.03.01 Describe the structure of the plasma membrane and list the type of molecules found in the membrane.

Accessibility: Keyboard Navigation

40) Which of the following is a function of the plasma membrane?

A) determines which substances enter and leave the cell

B) serves as a boundary between all eukaryotic cells and their cell wall

C) maintains the shape of the cell 

D) contains the genetic information

E) marks the cell as belonging to a particular individual

Section: 03.03

Topic: Plasma Membrane

Bloom's: 2. Understand

Learning Outcome: 03.03.01 Describe the structure of the plasma membrane and list the type of molecules found in the membrane.

Accessibility: Keyboard Navigation

41) Which model currently describes the structure of the plasma membrane?

A) endosymbiont model

B) fluid-mosaic model

C) plasmagel-plasmasol model

D) lock and key model

E) induced-fit model

Section: 03.03

Topic: Plasma Membrane

Bloom's: 1. Remember

Learning Outcome: 03.03.01 Describe the structure of the plasma membrane and list the type of molecules found in the membrane.

Accessibility: Keyboard Navigation

42) A short chain of sugar attached to a protein molecule on the plasma membrane is called

A) a protomembrane.

B) a protosugar.

C) a glycocalyx.

D) a glycolipid.

E) a glycoprotein.

Section: 03.03

Topic: Plasma Membrane

Bloom's: 1. Remember

Learning Outcome: 03.03.01 Describe the structure of the plasma membrane and list the type of molecules found in the membrane.

Accessibility: Keyboard Navigation

43) Which of the following can cross the plasma membrane because of its selective permeability?

A) gases such as oxygen and carbon dioxide

B) ions

C) large, polar molecules

D) large, non-polar molecules

E) glycoproteins

Section: 03.03

Topic: Plasma Membrane

Bloom's: 1. Remember

Learning Outcome: 03.03.02 Distinguish between the processes of diffusion, osmosis, and facilitated transport.

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44) The movement of water across a semi-permeable membrane is called

A) denaturation.

B) osmosis.

C) dispersion.

D) dissociation.

E) reconstitution.

Section: 03.03

Topic: Passive Transport

Bloom's: 1. Remember

Learning Outcome: 03.03.02 Distinguish between the processes of diffusion, osmosis, and facilitated transport.

Accessibility: Keyboard Navigation

45) During a hurricane, salt water invades fresh water marshes causing many of the plants to die. The plants are killed because the salt water solution is ________ to the plants, drawing water from their cells.

A) isotonic

B) hypotonic

C) mesotonic

D) oligotonic

E) hypertonic

Section: 03.03

Topic: Passive Transport

Bloom's: 3. Apply

Learning Outcome: 03.03.03 Explain how tonicity relates to the direction of water movement across a membrane.

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46) What is the function of cholesterol in the plasma membrane?

A) cell marker

B) receptor

C) support

D) channel

E) enzyme

Section: 03.03

Topic: Plasma Membrane

Bloom's: 1. Remember

Learning Outcome: 03.03.01 Describe the structure of the plasma membrane and list the type of molecules found in the membrane.

Accessibility: Keyboard Navigation

47) A solution is at equilibrium across a plasma membrane. If 50 molecules were to enter the cell, how many molecules would need to exit the cell in order to maintain the equilibrium?

A) 50

B) 75

C) 25

D) 0

E) 100

Section: 03.03

Topic: Passive Transport

Bloom's: 4. Analyze

Learning Outcome: 03.03.02 Distinguish between the processes of diffusion, osmosis, and facilitated transport.

Accessibility: Keyboard Navigation

48) Often when a person is admitted to the hospital, an intravenous solution of normal saline is begun. Since this does not harm the patient, what is the tonicity of normal saline compared to your blood?

A) hypertonic

B) isotonic

C) hypotonic

D) pretonic

E) osmotonic

Section: 03.03

Topic: Passive Transport

Bloom's: 3. Apply

Learning Outcome: 03.03.03 Explain how tonicity relates to the direction of water movement across a membrane.

Accessibility: Keyboard Navigation

49) Choose the CORRECT statement about solute concentrations or particles inside and outside the cell.

A) In a hypertonic solution, there are more particles inside the cell.

B) In a hypotonic solution, there are more particles outside the cell.

C) In an isotonic solution, the amount of water inside and outside the cell is equal.

D) In a hypertonic solution, there is more water outside the cell.

E) In a hypotonic solution, there is more water inside the cell.  

Section: 03.03

Topic: Passive Transport

Bloom's: 4. Analyze

Learning Outcome: 03.03.03 Explain how tonicity relates to the direction of water movement across a membrane.

Accessibility: Keyboard Navigation

50) Brad placed a drop of blood in some distilled water. What happened in the red blood cells?

A) The cells shrunk.

B) The cells burst.

C) The cells did not change.

D) The cells divided into two identical cells.

E) The cellular metabolism increased in rate.

Section: 03.03

Topic: Passive Transport

Bloom's: 3. Apply

Learning Outcome: 03.03.03 Explain how tonicity relates to the direction of water movement across a membrane.

Accessibility: Keyboard Navigation

51) The assisted transport of a molecule across the cell membrane without an expenditure of energy is known as what?

A) diffusion

B) facilitated transport

C) active transport

D) osmosis

E) crenation

Section: 03.03

Topic: Passive Transport

Bloom's: 1. Remember

Learning Outcome: 03.03.04 Compare passive-transport and active-transport mechanisms.

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52) In the sodium-potassium pump, sodium and potassium are both pumped out of the cell via active transport.

Section: 03.03

Topic: Active Transport

Bloom's: 1. Remember

Learning Outcome: 03.03.04 Compare passive-transport and active-transport mechanisms.

Accessibility: Keyboard Navigation

53) Sheree observed an amoeba feeding by engulfing the prey with its false feet or pseudopods. This process is known as

A) pinocytosis.

B) phagocytosis.

C) exocytosis.

D) facilitated transport.

E) osmosis.

Section: 03.03

Topic: Active Transport

Bloom's: 1. Remember

Learning Outcome: 03.03.05 Summarize how eukaryotic cells move large molecules across membranes.

Accessibility: Keyboard Navigation

54) During exocytosis, the phospholipids present in the vesicle membrane will end up in the plasma membrane.

Section: 03.03

Topic: Active Transport

Bloom's: 2. Understand

Learning Outcome: 03.03.05 Summarize how eukaryotic cells move large molecules across membranes.

Accessibility: Keyboard Navigation

55) Which of the following processes moves large molecules across a membrane in the opposite direction of the others?  

A) exocytosis

B) phagocytosis

C) pinocytosis

D) receptor-mediated endocytosis

E) endocytosis

Section: 03.03

Topic: Active Transport

Bloom's: 4. Analyze

Learning Outcome: 03.03.05 Summarize how eukaryotic cells move large molecules across membranes.

Accessibility: Keyboard Navigation

56) What cell structure is composed of a stack of slightly curved saccules that are important in packaging and secretion?

A) mitochondria

B) vacuoles

C) Golgi apparatus

D) lysosomes

E) endoplasmic reticulum

Section: 03.04

Topic: Organelles

Bloom's: 1. Remember

Learning Outcome: 03.04.02 Summarize the function of the organelles of the endomembrane system.

Accessibility: Keyboard Navigation

57) What is the obvious dark-stained structure within the nucleus that contains ribosomal RNA called?

A) nucleus

B) nucleolus

C) nuclear envelope

D) nucleoplasm

E) endoplasmic reticulum

Section: 03.04

Topic: Organelles

Bloom's: 1. Remember

Learning Outcome: 03.04.01 Describe the structure of the nucleus and explain its role as the storage place of genetic information.

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58) The grainy-looking substance inside the nucleus is composed of

A) phospholipids.

B) DNA and proteins.

C) nucleoplasm.

D) ribosomes.

E) mitochondria.

Section: 03.04

Topic: Organelles

Bloom's: 2. Understand

Learning Outcome: 03.04.01 Describe the structure of the nucleus and explain its role as the storage place of genetic information.

Accessibility: Keyboard Navigation

59) The nucleus of a cell in your thigh muscle contains the same genes as the nucleus of a cell in your brain.

Section: 03.04

Topic: Organelles

Bloom's: 3. Apply

Learning Outcome: 03.04.01 Describe the structure of the nucleus and explain its role as the storage place of genetic information.

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60) How large is a nuclear pore in the nuclear envelope?

A) larger than a ribosome

B) larger than the Golgi apparatus

C) larger than the endoplasmic reticulum

D) smaller than a ribosome

E) smaller than a protein

Section: 03.04

Topic: Organelles

Bloom's: 3. Apply

Learning Outcome: 03.04.01 Describe the structure of the nucleus and explain its role as the storage place of genetic information.

Accessibility: Keyboard Navigation

61) If a cell lacked ribosomes, it would not be able to

A) form a spindle apparatus.

B) synthesize proteins.

C) respire oxidatively.

D) break down fats.

E) produce ATP.

Section: 03.04

Topic: Organelles

Bloom's: 1. Remember

Learning Outcome: 03.04.03 Explain the role and location of the ribosomes.

Accessibility: Keyboard Navigation

62) What components make up the ribosomes?

A) proteins and rRNA

B) proteins and DNA

C) lipids and rRNA

D) carbohydrates and rRNA

E) lipids and DNA

Section: 03.04

Topic: Organelles

Bloom's: 1. Remember

Learning Outcome: 03.04.03 Explain the role and location of the ribosomes.

Accessibility: Keyboard Navigation

63) What do the SER and RER have in common?

A) the presence of ribosomes

B) the formation of transport vesicles

C) the synthesis of phospholipids

D) the synthesis of proteins

E) the processing and modification of proteins

Section: 03.04

Topic: Organelles

Bloom's: 4. Analyze

Learning Outcome: 03.04.02 Summarize the function of the organelles of the endomembrane system.

Accessibility: Keyboard Navigation

64) What is the main function of the ribosomes in the cell?

A) to synthesize proteins

B) to synthesize DNA

C) to break down proteins into individual amino acids

D) to form the nuclear envelope

E) to provide strength and structural support for the cell membrane

Section: 03.04

Topic: Organelles

Bloom's: 1. Remember

Learning Outcome: 03.04.03 Explain the role and location of the ribosomes.

Accessibility: Keyboard Navigation

65) Which of the following would be a way of finishing this hypothesis about the function of the Golgi apparatus? If the Golgi apparatus is involved in packaging products for secretion, then

A) vesicles must travel from the Golgi to the cell surface.

B) vesicles must travel from the RER and SER to the Golgi apparatus.

C) the Golgi apparatus must be part of the endomembrane system.

D) the Golgi apparatus must consist of 3 to 20 slightly curved sacs.

E) the Golgi apparatus would contain proteins.

Section: 03.04

Topic: Organelles

Bloom's: 5. Evaluate

Learning Outcome: 03.04.02 Summarize the function of the organelles of the endomembrane system.

Accessibility: Keyboard Navigation

66) Which organelle can be likened to a post office?

A) nucleus

B) nucleolus

C) mitochondria

D) endoplasmic reticulum

E) Golgi apparatus

Section: 03.04

Topic: Organelles

Bloom's: 2. Understand

Learning Outcome: 03.04.02 Summarize the function of the organelles of the endomembrane system.

Accessibility: Keyboard Navigation

67) What cellular organelle is especially abundant in phagocytic white blood cells?

A) nuclei

B) nucleoli

C) Golgi apparati

D) lysosomes

E) ribosomes

Section: 03.04

Topic: Organelles

Bloom's: 2. Understand

Learning Outcome: 03.04.02 Summarize the function of the organelles of the endomembrane system.

Accessibility: Keyboard Navigation

68) Which of the following is associated with the cytoskeleton?

A) intermediate tubules

B) microtubules

C) microbodies

D) attaching filaments

E) gap junctions

Section: 03.05

Topic: Cytoskeleton

Bloom's: 2. Understand

Learning Outcome: 03.05.02 Summarize the major protein fibers in the cytoskeleton.

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69) Which of the following protein fibers is used for cellular movement and are extremely thin in size?

A) actin filaments

B) intermediate filaments

C) microtubules

D) centrosome

E) cilia

Section: 03.05

Topic: Cytoskeleton

Bloom's: 2. Understand

Learning Outcome: 03.05.02 Summarize the major protein fibers in the cytoskeleton.

Accessibility: Keyboard Navigation

70) Centrosomes are associated with

A) ribosomes.

B) mitochondria.

C) chromosomes.

D) microtubules.

E) lysosomes.

Section: 03.05

Topic: Cytoskeleton

Bloom's: 2. Understand

Learning Outcome: 03.05.01 Explain the role of the cytoskeleton in the cell.

Accessibility: Keyboard Navigation

71) Which protein filaments are bundled together to form cilia?

A) microtubules

B) actin filaments

C) intermediate filaments

D) centrosomes

E) None of the answer choices is correct.

Section: 03.05

Topic: Cytoskeleton

Bloom's: 2. Understand

Learning Outcome: 03.05.02 Summarize the major protein fibers in the cytoskeleton.

Accessibility: Keyboard Navigation

72) Which of the following is a function of the cytoskeleton?

A) maintain a cell's shape

B) processing proteins

C) assemble organelles

D) exocytosis

E) endocytosis 

Section: 03.05

Topic: Cytoskeleton

Bloom's: 2. Understand

Learning Outcome: 03.05.01 Explain the role of the cytoskeleton in the cell.

Accessibility: Keyboard Navigation

73) Which structure in the human body will use flagella to move?

A) sperm

B) eggs

C) lining of the respiratory tract

D) lining of the uterine tubes

E) lining of the urinary system

Section: 03.05

Topic: Cytoskeleton

Bloom's: 2. Understand

Learning Outcome: 03.05.03 Describe the role of flagella and cilia in human cells.

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74) A malfunction with the microtubules would interfere with mitosis and meiosis.

Section: 03.05

Topic: Cytoskeleton

Bloom's: 3. Apply

Learning Outcome: 03.05.01 Explain the role of the cytoskeleton in the cell.

Accessibility: Keyboard Navigation

75) Explain the functions of adhesion junctions, gap junctions, and tight junctions in human cells.

Section: 03.05

Topic: Cell Junctions

Bloom's: 6. Create

Learning Outcome: 03.05.04 Compare the functions of adhesion junctions, gap junctions, and tight junctions in human cells.

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76) Which of the following diseases would you expect in someone with malfunctioning cilia?

A) recurrent respiratory infections

B) heart attack

C) urinary infections

D) muscle paralysis

E) brittle bones

Section: 03.05

Topic: Cytoskeleton

Bloom's: 3. Apply

Learning Outcome: 03.05.03 Describe the role of flagella and cilia in human cells.

Accessibility: Keyboard Navigation

77) Which type of junctions must there be between cells to form a barrier?

A) adhesion junctions

B) gap junctions

C) tight junctions

D) channel junctions

E) free junctions

Section: 03.05

Topic: Cell Junctions

Bloom's: 1. Remember

Learning Outcome: 03.05.04 Compare the functions of adhesion junctions, gap junctions, and tight junctions in human cells.

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78) Cilia are composed of microtubules, whereas flagella are composed of actin filaments.

Section: 03.05

Topic: Cytoskeleton

Bloom's: 2. Understand

Learning Outcome: 03.05.03 Describe the role of flagella and cilia in human cells.

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79) In an experiment in the laboratory, a small colored molecule is injected into one cell. Within minutes, the molecule has entered the adjacent cells. What type of junctions connect these cells?  

A) gap junctions

B) free junctions

C) adhesion junctions

D) tight junctions

E) actin junctions

Section: 03.05

Topic: Cell Junctions

Bloom's: 4. Analyze

Learning Outcome: 03.05.04 Compare the functions of adhesion junctions, gap junctions, and tight junctions in human cells.

Accessibility: Keyboard Navigation