BIO 264 EXAM 4 TESTED QUESTIONS
AND COMPLETE SOLUTIONS
◉ In an oxidation-reduction reaction, an element that loses an
electron is said to be ______.
A. Reduced
B. Oxidized
Answer: B. oxidized
◉ Metabolism
A. Can either refer to either catabolism or anabolism
B. Is the total of all the chemical reactions that occur in the body
C. May release energy or require energy based on the reaction
D. All of the above.
Answer: D. All of the above
◉ What has electrons with the highest energy?
A. O-H bonds
B. C-H bonds
C. Water molecules
D. C-O bonds
Answer: B. C-H bonds
,◉ What is the enzyme that removes a phosphate from ATP and
helps form a bond between this phosphate and some other
protein?
A. Catabolase
B. Kinase
C. Hydrolase
D. NAD
Answer: B. Kinase
◉ The second phase of glycolysis is important
A. Because it consumes some ATP
B. Because it occurs secondary to aerobic respiration
C. Because one molecule becomes 2
D. Because this is the phase of energy usage
Answer: C. Because one molecule becomes 2
◉ What is the role of the Sun in metabolism?
A. To warm the flowers
B. Break an oxygen-hydrogen bond and then create a carbon-
hydrogen bond
C. Heat up the plants forming chemical changes
D. To create an oxygen bond
,Answer: B. Break an oxygen-hydrogen one and then create a
carbon-hydrogen bond
◉ Which of the following are true?
A. Our human cells have the ability to facilitate a transfer of high
energy electrons in C-H bonds back to O-O bonds and use the
energy released.
B. Our human cells have the ability to change O-H bonds to C-H
bonds requiring little energy
C. Another name for the sun is the human battery
D. Our human cells have the ability to facilitate a transfer if high
energy electrons in C-H bonds back to O-H bonds and use the
energy that is released.
Answer: D. Our human cells have the ability to facilitate a transfer
if high energy electrons in C-H bonds back to O-H bonds and use
the energy that is released
◉ Bioenergetics is the study of how energy is transferred through
te chemical reactions of living systems.
A. True
B. False
Answer: A. True
◉ What is the process that occurs when molecules are broken
down into smaller and smaller parts?
A. Anabolic reaction
, B. Catabolic reaction
C. Dehydration synthesis reaction
D. Catalytic reaction
Answer: B. Catabolic reaction
◉ The main processes that creat energy include_____.
A. Glycolysis
B. Citric acid cycle
C. Electron transport chain
D. Lipolysis and beta oxidation
E. Protein metabolism
F. 3 of the above
G. All of the above
Answer: G. All of the above
◉ Which of these pairs are accurately matched?
A. Glycolysis: the breakdown of fats
B. Electron transport chain: the breakdown of sugars
C. Citric acid cycle: cellular respiration
D. Lipolysis: the breakdown of proteins
Answer: C. Citric acid cycle: cellular respiration
◉ What is true of ATP?
AND COMPLETE SOLUTIONS
◉ In an oxidation-reduction reaction, an element that loses an
electron is said to be ______.
A. Reduced
B. Oxidized
Answer: B. oxidized
◉ Metabolism
A. Can either refer to either catabolism or anabolism
B. Is the total of all the chemical reactions that occur in the body
C. May release energy or require energy based on the reaction
D. All of the above.
Answer: D. All of the above
◉ What has electrons with the highest energy?
A. O-H bonds
B. C-H bonds
C. Water molecules
D. C-O bonds
Answer: B. C-H bonds
,◉ What is the enzyme that removes a phosphate from ATP and
helps form a bond between this phosphate and some other
protein?
A. Catabolase
B. Kinase
C. Hydrolase
D. NAD
Answer: B. Kinase
◉ The second phase of glycolysis is important
A. Because it consumes some ATP
B. Because it occurs secondary to aerobic respiration
C. Because one molecule becomes 2
D. Because this is the phase of energy usage
Answer: C. Because one molecule becomes 2
◉ What is the role of the Sun in metabolism?
A. To warm the flowers
B. Break an oxygen-hydrogen bond and then create a carbon-
hydrogen bond
C. Heat up the plants forming chemical changes
D. To create an oxygen bond
,Answer: B. Break an oxygen-hydrogen one and then create a
carbon-hydrogen bond
◉ Which of the following are true?
A. Our human cells have the ability to facilitate a transfer of high
energy electrons in C-H bonds back to O-O bonds and use the
energy released.
B. Our human cells have the ability to change O-H bonds to C-H
bonds requiring little energy
C. Another name for the sun is the human battery
D. Our human cells have the ability to facilitate a transfer if high
energy electrons in C-H bonds back to O-H bonds and use the
energy that is released.
Answer: D. Our human cells have the ability to facilitate a transfer
if high energy electrons in C-H bonds back to O-H bonds and use
the energy that is released
◉ Bioenergetics is the study of how energy is transferred through
te chemical reactions of living systems.
A. True
B. False
Answer: A. True
◉ What is the process that occurs when molecules are broken
down into smaller and smaller parts?
A. Anabolic reaction
, B. Catabolic reaction
C. Dehydration synthesis reaction
D. Catalytic reaction
Answer: B. Catabolic reaction
◉ The main processes that creat energy include_____.
A. Glycolysis
B. Citric acid cycle
C. Electron transport chain
D. Lipolysis and beta oxidation
E. Protein metabolism
F. 3 of the above
G. All of the above
Answer: G. All of the above
◉ Which of these pairs are accurately matched?
A. Glycolysis: the breakdown of fats
B. Electron transport chain: the breakdown of sugars
C. Citric acid cycle: cellular respiration
D. Lipolysis: the breakdown of proteins
Answer: C. Citric acid cycle: cellular respiration
◉ What is true of ATP?
