Chapter 6 Guiding Questions
Name: ___________________________ Date: ______________ Period: ________
Module 6.1
1. How is breathing related to cellular respiration?
2. Write the chemical equation for cellular respiration.
Module 6.2
3. How much energy from glucose is turned into ATP by a cell?
4. What form of energy is the energy stored in glucose transformed into during
cellular respiration?
Module 6.3
5. What do human beings use most of their ATP for (up to 75% of it)?
Module 6.4
6. What does the redistribution of
hydrogen atoms represent in the
equation for cellular respiration?
Module 6.5
7. What are the roles of NAD+ and dehydrogenase in cellular respiration?
8. Label the graphic to the right and
explain what is depicted in it.
Module 6.6
9. Use the diagram to help answer the following questions:
a. What role does NADH play in
this process? Is it oxidized or
reduced?
b. What role does O2 play in this
process? Is it oxidized or
reduced?
c. What are the blue balls in the picture?
d. As electrons pass along the Electron transport chain what do they release?
What is it used for in the cell?
Module 6.7
10. How does the structure of the
mitochondria help it establish a
concentration gradient of H+ ions?
11. Describe the process of substrate level
phosphorylation.
12. What process is responsible for most of the ATP
produced in a cell?
Module 6.8
14. Complete the table below.
Stage Name
Where does the
stage occur?
Does the stage
produce ATP?
What process
does the stage
use for ATP
synthesis?
Glycolysis
Krebs Cycle
Electron Transport
Chain
Modules 6.9
13. How many ATP molecules are used by the cell during glycolysis? How many ATP
are produced by glycolysis? What is the net change in ATP per molecule of
glucose used during glycolysis?
14. Complete the table below.
Stage of
Cellular
Respiration
Glycolysis
What
molecule(s)
enters this stage
# of
NADH
produced
per
glucose
# of
FADH2
produced
per
Glucose
Net # of ATP
produced by
substrate level
phosphorylation
# of ATP
produced by
chemiosmosis
Does any
carbon from the
glucose
molecule exit
the cell? What
form is it in?
What carbon
containing
molecule(s) are
passed to the
next stage?
Module 6.10
15. Complete the table below.
Stage of Cellular
Respiration
What
molecule(s)
enters this
stage
# of
NADH
produced
per
glucose
# of
FADH2
produced
per
Glucose
Net # of ATP
produced by
substrate level
phosphorylation
# of ATP
produced by
chemiosmosis
Does any
carbon from the
glucose
molecule exit
the cell? What
form is it in?
What carbon
containing
molecule(s) are
passed to the
next stage?
# of ATP
produced by
chemiosmosis
Does any
carbon from the
glucose
molecule exit
the cell? What
form is it in?
What carbon
containing
molecule(s) are
passed to the
next stage?
“Chemical
Grooming”
16. Where does chemical grooming take place?
Module 6.11
17. Complete the table below.
Stage of
Cellular
Respiration
What
molecule(s)
enters this stage
# of
NADH
produced
per
glucose
# of
FADH2
produced
per
Glucose
Net # of ATP
produced by
substrate level
phosphorylation
Krebs
Cycle
18. How many total molecules of each of the following are made from one molecule of
glucose as a result of glycolysis, chemical grooming, and the Krebs cycle
combined?
a. ATP:
c. FADH2:
b. NADH:
d. CO2:
Module 6.12
19. Complete the table below.
Stage of
Cellular
Respiration
What
molecule(s), and
how many of
each, per
molecule of
glucose enter
this stage
# of
NADH
produced
per
glucose
# of
FADH2
produced
per
Glucose
Net # of ATP
produced by
substrate level
phosphorylation
# of ATP
produced by
chemiosmosis
Does any
carbon from the
glucose
molecule exit
the cell? What
form is it in?
What
molecule(s) are
recycled for use
in the earlier
stages?
Electron
Transport
Chain
20. Where, exactly, does chemiosmosis occur?
21. Describe how the electron transport chain and chemiosmosis convert the energy
in NADH and FADH2 to ATP?
22. Describe how suffocation would affect the electron transport chain?
Module 6.13
23. Compare and contrast the way each of the following poisons produce their deadly
effects: Rotenone, DNP, Oligomycin.
Module 6.14
24. How much ATP is produced per molecule of NADH that enters the electron
transport chain? How much ATP is made per molecule of FADH2 that enters the
electron transport chain?
25. Considering your answers to the previous question, how much total ATP is made
by the electron transport chain and chemiosmosis per molecule of glucose?
Module 6.15
26. How do yeasts replenish their supply of NAD+ without O2?
27. Compare and contrast lactic acid and alcoholic fermentation.
Module 6.16
28. Throughout the chapter we have used glucose to represent the starting molecule
of cellular respiration. However cells can use any of the macromolecules as fuel
for cellular respiration. For each of the following classes of macromolecules
describe what product(s) the cell converts them into before they can be used in
cellular respiration and state which stage of cellular respiration these product
molecules will enter into.
a. Polysaccharides:
b. Fats:
c. Proteins: