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)?

1. Glycolysis

2. Kreb’s Cycle

3. Electron Transport

Glycolysis

Cytoplasm

Krebs Cycle

Electron Transport

Chain

Mitochondrion

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? 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

Glycolysis

Cytoplasm

Krebs Cycle

Electron Transport

Chain

Mitochondrion

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.

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

The “Mighty” Mitochondria

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?

A

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

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

B

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?

Glycolysis

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

Glycolysis

Glycolysis

Cytoplasm

Krebs Cycle

Electron Transport

Chain

Mitochondrion

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?

________ or ______”net”

19. How many ATP are produced during glycolysis?

________ or ______”net”4

2 “net”

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

Kreb’s Cycle

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

Matrix

Kreb’s Cycle

Glycolysis

Cytoplasm

Krebs Cycle

21. Is the Kreb’s Cycle part of an aerobic or anaerobic

reaction?______ WHY?____

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

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

Electron Transport Chain

Glycolysis

Cytoplasm

Krebs Cycle

Electron Transport

Chain

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?

Aerobic

27. Which stage of Cellular Respiration produces the most

amount of ATP?

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?

Glycolysis

Anaerobic Fermentation

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.__________

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