Question 1

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 Cuvier 
A)  Louis Pasteur 
B)  Charles Darwin 
C)  John Ray 
D)  Walther Flemming 
E)  Georges Cuvier

Question 2

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. 
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.

Question 3

The grainy-looking substance inside the nucleus is composed of

Accepted Answer

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

Question 4

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

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

What is the function of cholesterol in the plasma membrane?

Accepted Answer

A)  cell marker 
B)  receptor 
C)  support 
D)  channel 
E)  enzyme 
A)  cell marker 
B)  receptor 
C)  support 
D)  channel 
E)  enzyme

Question 7

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 junctions 
A)  gap junctions 
B)  free junctions 
C)  adhesion junctions 
D)  tight junctions 
E)  actin junctions

Question 8

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

Question 9

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

Accepted Answer

A)  matrix. 
B)  cristae. 
C)  rugae. 
D)  effluvium. 
E)  villi. 
A)  matrix. 
B)  cristae. 
C)  rugae. 
D)  effluvium. 
E)  villi.

Question 10

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

Question 11

Fermentation produces more ATP than does aerobic respiration.

Accepted Answer

A) True 
 B)False

Question 12

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. 
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.

Question 13

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

Question 14

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

Accepted Answer

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

Question 15

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. 
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.

Question 16

Archaea are considered the evolutionary precursors to eukaryotic cells.

Accepted Answer

A) True 
 B)False

Question 17

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 bones 
A)  recurrent respiratory infections 
B)  heart attack 
C)  urinary infections 
D)  muscle paralysis 
E)  brittle bones

Question 18

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)  Eukarya 
A)  Protists 
B)  Protoctista 
C)  Archaea 
D)  Archetista 
E)  Eukarya

Question 19

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)  cilia 
A)  actin filaments 
B)  intermediate filaments 
C)  microtubules 
D)  centrosome 
E)  cilia

Question 20

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)  grana 
A)  the outer mitochondrial membrane 
B)  vacuole 
C)  cristae 
D)  matrix 
E)  grana

Exam 3: Cell Structure and Function

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

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

The grainy-looking substance inside the nucleus is composed of

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

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

What is the function of cholesterol in the plasma membrane?

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?

The size of a metabolizing cell is limited by its

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

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

Fermentation produces more ATP than does aerobic respiration.

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

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

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

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

Archaea are considered the evolutionary precursors to eukaryotic cells.

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

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?

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

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

Human Organization

Chemistery of Life

Torganization and Regulation of Body Systems

Cardiovascular System : Heart and Blood Vessels

Cardiovascular System : Blood

The Lumphatic and Immune Systems

Biology of Infectious Diseases

Digestive System and Nutrition

Respiratory System

Urinary System

Skeletal System

Muscular System

Nervous System

Senses

Endocring System

Reproductive System

Development and Aging

Patterns of Chromosome Inheritance

Cancer

Patterns of Genetic Inheritance

Dna Piology and Technology

Hummen Evolution

Ecology and the Nature of Ecosystems

Hummen Interactions With the Biosphere

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