Cellular Respiration Unit Review Guide CA Standard 1g

1. What are the 3 phases of cellular respiration (in order)?

1. What are the 3 phases of cellular respiration (in order)? Glycolysis Kreb’s Cycle Electron Transport Mitochondrion Krebs Cycle Electron Transport Chain Glycolysis Cytoplasm Mitochondrion

2. What is the overall reaction for cellular respiration?

2. What is the overall reaction for cellular respiration? 6O2 + C6H12O6  6CO2 + 6H2O + Energy Oxygen + Glucose  Carbon dioxide + Water + Energy

3. Does cellular respiration occur in autotrophs, heterotrophs or both?

3. Does cellular respiration occur in autotrophs, heterotrophs or both?

4. In order for cells to produce ATP most efficiently, which gas is required?

4. In order for cells to produce ATP most efficiently, which gas is required? Oxygen, O2

5. Do cells produce more ATP with or without oxygen?

5. Do cells produce more ATP with or without oxygen? WITH oxygen

6. Where does cellular respiration occur?

6. Where does cellular respiration occur? Mitochondrion Mitochondrion Krebs Cycle Electron Transport Chain Glycolysis Cytoplasm Mitochondrion

7. Energy is released when a _______ group is removed from an ATP molecule.

7. Energy is released when a _______ group is removed from an ATP molecule. phosphate

8. Define Aerobic respiration Or Cellular Respiration.

8. Define Aerobic respiration. is the process that releases energy by breaking down glucose and other food molecules in the presence of oxygen.

9. Define Anaerobic respiration-or Fermentation.

9. Define Anaerobic respiration. is the process that releases energy by breaking down glucose WITHOUT oxygen.

The “Mighty” Mitochondria 10. How many ATP are produced from one glucose molecule during cellular respiration?

The “Mighty” Mitochondria 10. How many ATP are produced from one glucose molecule during cellular respiration? 36

11. Which letter in the diagram shows the matrix?

11. Which letter in the diagram shows the matrix? B

12. Which letter in the diagram shows the cristae?

12. Which letter in the diagram shows the cristae?

13. Which letter shows where the Kreb’s Cycle occurs?

13. Which letter shows where the Kreb’s Cycle occurs?

14. Which letter shows where the ETC occurs?

14. Which letter shows where the ETC occurs? A

15. In what part of the cell does glycolysis occur?

15. In what part of the cell does glycolysis occur? Mitochondrion Krebs Cycle Electron Transport Chain Glycolysis Cytoplasm Mitochondrion

16. Does glycolysis require oxygen to happen?

16. Does glycolysis require oxygen to happen? NO!!

17. ______ is “broken down” during glycolysis into 2 molecules of _____.

17. ______ is “broken down” during glycolysis into 2 molecules of _____. Pyruvic acid

18. The two energy molecules produced during this reaction are and .

18. The two energy molecules produced during this reaction are and . FADH2 NADH

19. How many ATP are produced during glycolysis 19. How many ATP are produced during glycolysis? ________ or ______”net”

19. How many ATP are produced during glycolysis 19. How many ATP are produced during glycolysis? ________ or ______”net” 4 2 “net”

20. Where, in the mitochondria, does the Kreb’s Cycle occur?

20. Where, in the mitochondria, does the Kreb’s Cycle occur? Matrix Krebs Cycle Glycolysis Cytoplasm

21. Is the Kreb’s Cycle part of an aerobic or anaerobic reaction 21. Is the Kreb’s Cycle part of an aerobic or anaerobic reaction?______ WHY?____

Aerobic It requires Oxygen 21. Is the Kreb’s Cycle part of an aerobic or anaerobic reaction?______ WHY?_____________ Aerobic It requires Oxygen

22. Which molecule(s) produced during glycolysis enter the Kreb’s cycle?

22. Which molecule(s) produced during glycolysis enter the Kreb’s cycle? Pyruvic Acid

23. Which gas is produced during the Kreb’s Cycle?

23. Which gas is produced during the Kreb’s Cycle? Carbon dioxide, CO2 CO2

Electron Transport Chain 24. Where, in the mitochondria, does the Electron Transport Chain occur?

Electron Transport Chain 24. Where, in the mitochondria, does the Electron Transport Chain occur? Cristae Krebs Cycle Electron Transport Chain Glycolysis Cytoplasm Mitochondrion

25. What molecule is the “final electron acceptor” in the chain?

25. What molecule is the “final electron acceptor” in the chain? Oxygen

26. Is the ETC an aerobic or anaerobic reaction?

26. Is the ETC an aerobic or anaerobic reaction?

27. Which stage of Cellular Respiration produces the most amount of ATP?

Electron Transport Chain 27. Which stage of Cellular Respiration produces the most amount of ATP? Electron Transport Chain

28. What stage happens BEFORE Fermentation? Anaerobic Fermentation 28. What stage happens BEFORE Fermentation?

28. What stage happens BEFORE Fermentation? Anaerobic Fermentation 28. What stage happens BEFORE Fermentation? Glycolysis

29. Where, in the cell, does Fermentation occur?

29. Where, in the cell, does Fermentation occur? Cytoplasm

30. When yeast perform fermentation, what two waste products are formed? 1._______________ and 2.__________

Ethanol (a type of alcohol) CO2 30. When yeast perform fermentation, what two waste products are formed? 1._______________ and 2.__________ Ethanol (a type of alcohol) CO2

31. When bacteria, humans, and some bacteria perform fermentation, what waste product is formed?

31. When bacteria, humans, and some bacteria perform fermentation, what waste product is formed? Lactic Acid

32. How many ATP are produced when fermentation occurs along with glycolysis?

32. How many ATP are produced when fermentation occurs along with glycolysis? 4

33. What happens when there is a build up of lactic acid in muscle cells?

33. What happens when there is a build up of lactic acid in muscle cells? Muscles feel sore