Question 1

What is the function of cholesterol in the plasma membrane?

Accepted Answer

A)   cell marker
B)   receptor
C)   support
D)   channel
E)   enzymeF) None of the above
G) A) and B)

Question 2

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

Accepted Answer

A)   recurrent respiratory infections
B)   heart attack
C)   urinary infections
D)   muscle paralysis
E)   brittle bonesF) A) and D)
G) B) and D)

Question 3

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

Accepted Answer

A)   the outer mitochondrial membrane
B)   vacuole
C)   cristae
D)   matrix
E)   granaF) A) and D)
G) All of the above

Question 4

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

Accepted Answer

A)   form a spindle apparatus.
B)   synthesize proteins.
C)   respire oxidatively.
D)   break down fats.
E)   produce ATP.F) D) and E)
G) B) and E)

Question 5

Archaea are considered the evolutionary precursors to eukaryotic cells.

Accepted Answer

A) True 
 B)False

Question 6

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

Accepted Answer

A)   compound light microscope
B)   transmission electron microscope
C)   scanning electron microscope
D)   magnifying glass
E)   her naked eyeF) C) and D)
G) A) and B)

Question 7

The size of a metabolizing cell is limited by its

Accepted Answer

A)   extracellular matrix.
B)   function.
C)   nuclear size.
D)   surface area-to-volume ratio.
E)   genome size.F) B) and E)
G) A) and B)

Question 8

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

Accepted Answer

A)   matrix.
B)   cristae.
C)   rugae.
D)   effluvium.
E)   villi.F) D) and E)
G) All of the above

Question 9

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

Accepted Answer

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.F) B) and E)
G) C) and E)

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

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

Accepted Answer

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.F) B) and C)
G) None of the above

Question 12

The grainy-looking substance inside the nucleus is composed of

Accepted Answer

A)   phospholipids.
B)   DNA and proteins.
C)   nucleoplasm.
D)   ribosomes.
E)   mitochondria.F) D) and E)
G) C) and D)

Question 13

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

Accepted Answer

A)   Louis Pasteur
B)   Charles Darwin
C)   John Ray
D)   Walther Flemming
E)   Georges CuvierF) A) and B)
G) None of the above

Question 14

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

Accepted Answer

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.F) A) and B)
G) C) and D)

Question 15

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

Accepted Answer

A)   sperm
B)   eggs
C)   lining of the respiratory tract
D)   lining of the uterine tubes
E)   lining of the urinary systemF) B) and E)
G) B) and C)

Question 16

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?

Accepted Answer

A)   Protists
B)   Protoctista
C)   Archaea
D)   Archetista
E)   EukaryaF) A) and E)
G) A) and C)

Question 17

Fermentation produces more ATP than does aerobic respiration.

Accepted Answer

A) True 
 B)False

Question 18

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

Accepted Answer

A)   denaturation.
B)   osmosis.
C)   dispersion.
D)   dissociation.
E)   reconstitution.F) A) and B)
G) A) and C)

Question 19

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?

Accepted Answer

A)   gap junctions
B)   free junctions
C)   adhesion junctions
D)   tight junctions
E)   actin junctionsF) None of the above
G) C) and D)

Question 20

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

Accepted Answer

A)   actin filaments
B)   intermediate filaments
C)   microtubules
D)   centrosome
E)   ciliaF) D) and E)
G) B) and C)

Exam 3: Cell Structure and Function

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is the function of cholesterol in the plasma membrane?

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

Fermentation produces more ATP than does aerobic respiration.

Correct AnswerverifiedShow Answer

Archaea are considered the evolutionary precursors to eukaryotic cells.

Correct AnswerverifiedShow Answer

The grainy-looking substance inside the nucleus is composed of

Correct AnswerverifiedShow Answer

The size of a metabolizing cell is limited by its

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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