Chapter 07 – How Cells Harvest Energy
Chapter 07
How Cells Harvest Energy
Multiple Choice Questions
1. Organisms that can manufacture their own chemical energy are called ____________.
2. Organisms that depend on the energy stored in chemical bonds by other organisms for their
food energy are called ____________.
3. In animals that take in oxygen from their environment, glucose is broken down into carbon
dioxide and water in a process called
Chapter 07 – How Cells Harvest Energy
4. In glycolysis, a major portion of the energy remains in the final product, which is called
5. One way to generate acetyl-CoA is to convert pyruvate into acetyl-CoA by stripping off a
CO2 molecule. The removal of CO2 is referred to as what type of reaction?
6. All of the reactions of cellular respiration that occur after glycolysis take place in what part
of the eukaryotic cell?
Chapter 07 – How Cells Harvest Energy
7. What must happen to amino acids before they can be used in catabolic reactions?
8. Many types of cancer cells have been detected to secrete significant levels of lactate. Do
you think these cells are likely undergoing beta-oxidation?
Chapter 07 – How Cells Harvest Energy
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about lactate fermentation? How do products from this
process indicate how cancer cells derive energy? What other information is related to the
question?
Chapter 07 – How Cells Harvest Energy
Choose Answer
Do you have all necessary information to determine which products would affect cellular
respiration?
Chapter 07 – How Cells Harvest Energy
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
9. What stage of cellular respiration can occur in human cells with or without oxygen
present?
10. When oxygen is unavailable during heavy exercise what process do muscle cells use for
energy generation?
11. What oxidizing agent is used to temporarily store high energy electrons harvested from
glucose molecules in a series of gradual steps in the cytoplasm?
12. It is thought that the oldest stage of cellular respiration from an evolutionary perspective
is
13. A human cell has a mutation in the gene that encodes the enzyme that generates lactate
from pyruvate, rendering that enzyme completely non-functional. Assuming that there is
ample glucose present, how would this cell generate energy in the presence of oxygen?
Chapter 07 – How Cells Harvest Energy
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about how cells use multiple fuels to generate energy? How
does this relate to the inability of the cell to convert pyruvate into lactate? What other
information is related to the question?
Chapter 07 – How Cells Harvest Energy
Choose Answer
Do you have all necessary information to determine which products would affect cellular
respiration?
Chapter 07 – How Cells Harvest Energy
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
14. What molecule can oxidize NADH?
Chapter 07 – How Cells Harvest Energy
15. In aerobic respiration, chemiosmotic generation of ATP is driven by:
Chapter 07 – How Cells Harvest Energy
16. In the reaction: C4H6O4 + FAD →C4H4O4 + FADH2, what type of reaction took place to
remove the protons from C4H6O4?
Chapter 07 – How Cells Harvest Energy
Clarify Question
What is the key concept addressed by the question?
protons from C4H604.
What type of thinking is required?
Gather Content
What do you already know about redox reactions and electrons? What other information
is related to the question?
Choose Answer
Do you have all necessary information to what type of reaction is taking place?
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 07 – How Cells Harvest Energy
Blooms Level: 3. Apply
Gradable: automatic
LO: 07.01.01 Characterize oxidationde hydrogenation reactions in biological systems.
Section: 07.01
Topic: Overview of Respiration
17. How and where is ATP made in a eukaryotic cell?
Chapter 07 – How Cells Harvest Energy
18. If you take into account the amount of ATP generated by ATP synthase per molecule of
NADH produced in aerobic respiration, the net number of ATP molecules produced by
substrate-level phosphorylation, and the fact that NADH molecules produced in the cytoplasm
have to be transported into the mitochondria, what is the predicted energy yield of glycolysis
in eukaryotic cells?
Chapter 07 – How Cells Harvest Energy
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about glycolysis and ATP and NADH yield? What energy
costs are required to transport NADH produced in the cytosol via glycolysis into the
mitochondria? What other information is related to the question?
Chapter 07 – How Cells Harvest Energy
Choose Answer
Do you have all necessary information to determine which products would affect cellular
respiration?
Reflect on Process
Chapter 07 – How Cells Harvest Energy
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
19. During what step of glycolysis are two ATP molecules required?
Chapter 07 – How Cells Harvest Energy
20. This process is common to all living cells:
Chapter 07 – How Cells Harvest Energy
21. If you take into account the amount of ATP generated by ATP synthase per molecule of
NADH and per molecule of FADH2 produced, and the number of ATP molecules produced
by substrate-level phosphorylation, what is the predicted energy yield of the Krebs cycle, per
molecule of glucose in eukaryotic cells?