Name: __________________________________________________________ Period: ____ Date: _____
Cell Respiration – Review Questions
Answer the questions below after reviewing the four steps, the overall equation, and the summary chart for cell respiration.
1.
Explain why cell respiration releases energy while photosynthesis absorbs energy.
2.
Where does the energy released in cell respiration come from and where does it end up?
3.
Which step in cell respiration produces the most electron carriers?
4.
Which step in cell respiration produces the most ATP?
5.
What is the relationship between electron carriers and ATP production?
6.
Show how the electron carriers are reduced and oxidized in cell respiration using symbols and arrows.
7.
Give an example of two processes that are coupled with the reduction of NAD+.
8.
Give an example of a process that is coupled with the oxidation of FADH
2
.
9.
Which steps in cells respiration produce CO
2
?
10.
What is the function of electron carriers in cell respiration (and photosynthesis)?
11.
Compare the electron transport chain used in cell respiration with the one used in the Calvin cycle (dark reactions of photosynthesis). How do they differ regarding the location of the proton gradient? the source of electrons/energy? the final product of the electron transport chain?

12.
When and how is water made in cell respiration?
13.
What role does oxygen play in aerobic respiration?
14.
Which step of cell respiration is also part of anaerobic respiration?
15.
Why does anaerobic respiration happen in aerobic cells?
16.
List the two types of anaerobic respiration (fermentation) and explain how they differ.
17.
Which of the two types of fermentation do your cells use when they need to?
18.
Why do some alcoholic beverages made through fermentation naturally contain gas bubbles?
19.
What gives yogurt its characteristic tartness?
20.
Which produces more ATP, aerobic or anaerobic respiration?