AP Biology: Chapter 9 |
RESPIRATION — GLYCOLYSIS
1. Identify some specific processes the cell does with ATP. _____________________________
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2. Explain why ATP is such a “high energy” molecule. __________________________________
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3. Sketch the ATP cycle:
4. How does ATP “couple reactions”? ______________________________________________
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5. What is the name of enzymes which phosphorylate molecules? ________________________
6. Define each of the following:
a. Oxidation _______________________________________________________________
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b. Reduction _______________________________________________________________
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7. What is the role of NAD+ & FAD+2 in respiration? ___________________________________
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8. Explain why respiration is considered exergonic. ____________________________________
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9. Glycolysis starts with _____________________ and produces _________________________
10. The Kreb’s cycle takes place in the: ______________________________________________
11. Pyruvate is converted to ___________________________________ before the Krebs cycle.
12. The Electron Transport Chain is located in the: _____________________________________
13. Describe the role of the Electron Transport Chain. What happens to the electrons and H+?
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14. What is chemiomosis and how is it generated?
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15. How does the mitochondrion generate ATP?
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16. Label the diagram. Include: CO2, organic compounds, O2, H2O, respiration, photosynthesis, light, heat, ATP
23. Write the summary equation for cellular respiration:
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a. Where did the glucose come from? ___________________________________________
b. Where did the O2 come from? _______________________________________________
c. Where did the CO2 come from? ______________________________________________
d. Where did the H2O come from? ______________________________________________
e. Where did the ATP come from? ______________________________________________
f. What else is produced that is not listed in this equation? ___________________________
24. What was the evolutionary advantage of the proto-eukaryotes that engulfed aerobic bacteria
but did not digest them?
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25. Why do we eat? _____________________________________________________________
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26. Why do we breathe? __________________________________________________________
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17. What happens to most of the energy released during cell respiration? ___________________
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18. Alcoholic fermentation converts glucose to ________________________________________
19. Alcoholic fermentation is utilized by what organisms? ________________________________
20. Lactic acid fermentation converts glucose to________________________________________
21. Lactic acid fermentation is utilized by what organisms? _______________________________
22. Identify examples of each of the following feedback mechanisms
a. Negative feedback ________________________________________________________
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b. Positive feedback _________________________________________________________
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