Download Cellular Respiration Practice

Name _______________________________________________ Period ______
CELLULAR RESPIRATION
TUTORIALS AND PRACTICE
You can access the links on the class website. Mark your quiz answers on this sheet as you complete the
online quizzes.
Site #1: http://www.phschool.com/science/biology_place/biocoach/cellresp/intro.html
Quiz
1. In aerobic respiration carbohydrates are ultimately broken down into:
acetyl-CoA
a.
CO2
b.
O2
c.
H2O
d.
heat
e.
2. Most ATP in eukaryotic cells is produced in the:
mitochondria
a.
nucleus
b.
cytoplasm
c.
rough endoplasmic reticulum
d.
peroxisome
e.
3. Most ATP produced in aerobic respiration occurs in the process of:
glycolysis
a.
the formation of acetyl-CoA
b.
the Krebs cycle
c.
chemiosmosis
d.
substrate-level phosphorylation
e.
4. In aerobic respiration, the energy in 1 mole of glucose is capable of producing how many ATP molecules:
2 molecules of ATP
a.
38 molecules of ATP
b.
2 x (6.02 x 1023) molecules of ATP
c.
38 x (6.02 x 1023) molecules of ATP
d.
5. Products of glycolysis include:
pyruvate
a.
ATP
b.
NADH
c.
two of the above
d.
all of the above
e.
6. In glycolysis the most reduced compound formed is:
pyruvate
a.
NAD+
b.
lactate
c.
O2
d.
H2O
e.
7. In glycolysis, the activation of glucose is accomplished by:
NADH
a.
coenzyme A
b.
ATP
c.
CO2
d.
O2
e.
8. Products of the Krebs cycle include:
carbon dioxide
a.
NADH
b.
FADH2
c.
two of the above
d.
all of the above
e.
9. The final electron acceptor in aerobic respiration is:
pyruvate
a.
carbon dioxide
b.
oxygen
c.
water
d.
NAD+
e.
10. In the presence of oxygen, all cells synthesize ATP via the process of glycolysis. Many cells also can metabolize pyruvate if oxygen is not present, via the process of:
fermentation
a.
aerobic respiration
b.
oxidative phosphorylation
c.
electron transport
d.
photophosphorylation
e.
11. The net result of the breakdown of glucose in glycolysis and fermentation is the production of:
38 ATP
a.
36 ATP
b.
2 ATP
c.
NADH
d.
NADH, FADH2, and ATP
e.
12. Which stage of aerobic respiration requires ATP?
glycolysis
a.
Krebs cycle
b.
electron transport chain
c.
fermentation
d.
none of the above
e.
13. Which stage of aerobic respiration requires CO2?
glycolysis
a.
Krebs cycle
b.
electron transport chain
c.
fermentation
d.
none of the above
e.
14. Which stage of aerobic respiration produces ATP and NADH and releases CO2?
glycolysis
a.
Krebs cycle
b.
electron transport chain
c.
fermentation
d.
none of the above
e.
15. The high concentration of protons in the inner mitochondrial space relative to the mitochondrial matrix represents:
magnetic energy
a.
kinetic energy
b.
potential energy
c.
photonic energy
d.
none of the above
e.
16. As protons flow through the ______ , energy is released and exploited to combine ADP and inorganic phosphate to form ATP.
electron transport chain
a.
outer mitochondrial membrane
b.
cytochrome oxidase
c.
ATP synthase
d.
NADH
e.
Site #2: http://old-www.hartnell.edu/tutorials/biology/cellularrespiration.html
Quiz
1. During which metabolic stage is glucose broken down into pyruvate?
A. Krebs Cycle
B. The Electron Transport Chain
C. Glycolysis
D. Oxidative Phosphorylation
2. What is the main cellular structure involved in respiration?
A. Nucleus
B. Mitochondria
C. ER
D. Golgi apparatus
3. How many carbon atoms are found in one molecule of glucose?
A. 2
B. 3
C. 6
D. 9
4. In what part of the cell does glycolysis take place?
A. Cytosol
B. Mitochondria
C. Smooth endoplasmic reticulum
D. Lysosome
5. Which of the following metabolic processes produces the most ATP per glucose molecule?
A. Glycolysis
B. Krebs Cycle
C. The Electron Transport Chain
D. Photosystem II
6. Which of the following is where hydrogen ions move down their concentration gradient through ATP-synthesizing enzymes? (Not sure I agree with this answer. Do
you?)
A. Glycolysis
B. Krebs Cycle
C. Oxidative Phosphorylation
D. The Electron Transport Chain
7. In what order to do the stages of aerobic cellular respiration occur?
A. Electron transport system, Glycolysis, Krebs cycle
B. Glycolysis, Krebs cycle, Electron transport chain
C. Krebs cycle, Glycolysis, Electron transport chain
D. Glycolysis, Electron transport chain, Krebs cycle
8. What is the net gain of ATP from Glycolysis?
A. 2 ATP
B. 3 ATP
C. 6 ATP
D. 38 ATP
9. What are the reactants in the equation for cellular respiration?
A. carbon dioxide and water
B. water and glucose
C. oxygen and lactic acid
D. glucose and oxygen
10. Which of the following acts as an electron carrier during cellular respiration?
A. Pyruvate
B. Citric Acid
C. NAD+
D. Glucose