Question 1

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. A

Question 2

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

Accepted Answer

A)  glycolysis 
B)  citric acid cycle 
C)  electron transport chain 
D)  acetyl CoA conversion 
E)  None of these require oxygen. 
A)  glycolysis 
B)  citric acid cycle 
C)  electron transport chain 
D)  acetyl CoA conversion 
E)  None of these require oxygen. C

Question 3

What are the folds in mitochondrial membranes called?

Accepted Answer

A)  matrix 
B)  cristae 
C)  rugae 
D)  lumen 
E)  villi 
A)  matrix 
B)  cristae 
C)  rugae 
D)  lumen 
E)  villi B

Question 4

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

Accepted Answer

A)  compound light microscope 
B)  transmission electron microscope 
C)  scanning electron microscope 
D)  phase contrast microscope 
E)  ultraviolet microscope 
A)  compound light microscope 
B)  transmission electron microscope 
C)  scanning electron microscope 
D)  phase contrast microscope 
E)  ultraviolet microscope

Question 5

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

Accepted Answer

A)  diffusion 
B)  facilitated transport 
C)  active transport 
D)  osmosis 
E)  crenation 
A)  diffusion 
B)  facilitated transport 
C)  active transport 
D)  osmosis 
E)  crenation

Question 6

What components make up the ribosomes?

Accepted Answer

A)  proteins and rRNA, 
B)  proteins and DNA 
C)  lipids and rRNA. 
D)  carbohydrates and rRNA 
E)  proteins and DNA. 
A)  proteins and rRNA, 
B)  proteins and DNA 
C)  lipids and rRNA. 
D)  carbohydrates and rRNA 
E)  proteins and DNA.

Question 7

Explain what occurs during endocytosis.

Accepted Answer

During endocytosis a portion of the plas

Question 8

Which of the following is not a function of the cytoskeleton?

Accepted Answer

A)  maintain a cell's shape 
B)  process proteins 
C)  anchor organelles 
D)  move organelles 
E)  move the entire cell 
A)  maintain a cell's shape 
B)  process proteins 
C)  anchor organelles 
D)  move organelles 
E)  move the entire cell

Question 9

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

Accepted Answer

A)  Compartments 
B)  Cells 
C)  Chromosomes 
D)  Coelom 
E)  Cristae 
A)  Compartments 
B)  Cells 
C)  Chromosomes 
D)  Coelom 
E)  Cristae

Question 10

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 11

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 12

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

Accepted Answer

A)  exocytosis 
B)  phagocytosis 
C)  pinocytosis 
D)  receptor-mediated endocytosis 
E)  endocytosis 
A)  exocytosis 
B)  phagocytosis 
C)  pinocytosis 
D)  receptor-mediated endocytosis 
E)  endocytosis

Question 13

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 14

Which of the following does not utilize active transport?

Accepted Answer

A)  movement of oxygen from the lungs into the blood 
B)  concentrating iodine ions in the thyroid gland 
C)  absorbing sugar in the gut 
D)  water homeostasis in the kidneys 
E)  movement of sodium and potassium in nerve cells 
A)  movement of oxygen from the lungs into the blood 
B)  concentrating iodine ions in the thyroid gland 
C)  absorbing sugar in the gut 
D)  water homeostasis in the kidneys 
E)  movement of sodium and potassium in nerve cells

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

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 17

Which protein filaments are bundled together to form cilia?

Accepted Answer

A)  microtubules 
B)  actin filaments 
C)  intermediate filaments 
D)  centrosomes 
E)  None of these. 
A)  microtubules 
B)  actin filaments 
C)  intermediate filaments 
D)  centrosomes 
E)  None of these.

Question 18

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

Accepted Answer

A)  plasma membrane 
B)  nucleus 
C)  endoplasmic reticulum 
D)  Golgi body 
E)  mitochondria 
A)  plasma membrane 
B)  nucleus 
C)  endoplasmic reticulum 
D)  Golgi body 
E)  mitochondria

Question 19

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 20

Centrosomes are associated with

Accepted Answer

A)  ribosomes. 
B)  mitochondria. 
C)  chromosomes. 
D)  microtubules. 
E)  lysosomes. 
A)  ribosomes. 
B)  mitochondria. 
C)  chromosomes. 
D)  microtubules. 
E)  lysosomes.

Exam 3: Cell Structure and Function

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

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

What are the folds in mitochondrial membranes called?

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

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

What components make up the ribosomes?

Explain what occurs during endocytosis.

Which of the following is not a function of the cytoskeleton?

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

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

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

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

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

Which of the following does not utilize active transport?

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

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

Which protein filaments are bundled together to form cilia?

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

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

Centrosomes are associated with

Exploring Life and Science

Chemistry of Life

Organization and Regulation of Body Systems

Cardiovascular System: Heart and Blood Vessels

Cardiovascular System: Blood

The Lymphatic and Immune Systems

Infectious Diseases

Digestive System and Nutrition

Respiratory System

Urinary System

Skeletal System

Muscular System

Nervous System

Senses

Endocrine System

Reproductive System

Development and Aging

Patterns of Chromosome Inheritance

Cancer

Patterns of Genetic Inheritance

Dna Biology and Technology

Human Evolution

Ecology and the Nature of Ecosystems

Human Interactions With the Biosphere

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