Section 9.1: Cellular Respiration: an Overview

Name ______

Chapter 9: Cellular Respiration

Section 9.1: Cellular Respiration: An Overview

1. Define what a calorie is and how it is measured.

2. How many calories are in 1 gram of: Carbohydrates ______, Lipids ______, Proteins _____

3. What is cellular respiration?

4. Write down the formula for cellular respiration.

5. Discuss what basically occurs during each part of cellular respiration. (Figure 9 – 2)

Glycolysis:

Krebs cycle:

Electron Transport Chain

6. Differentiate between aerobic and anaerobic respiration. Also indicate which part of respiration is I involved with each.

7. Relate photosynthesis and respiration using the diagram below and figure 9.3 in your book.

http www exploringnature org graphics biology cellular respiration model 72 jpg

Section 9.2: The Process of Cellular Respiration

8. Why should flour never be stored above the stove?

9. Tell what glycolysis is and what happens during this process. (Figure 9 – 4)

10. How many ATP molecules are needed to start the process of Glycolysis? ______

11. How many molecules of ATP are produced/synthesized during Glycolysis? ______

12. At the end of glycolysis, how many ATP molecules are gained? ______

13. What basically occurs during the Krebs cycle of aerobic respiration? (Figure 9 – 5)

14. What basically occurs during the Electron Transport Chain of aerobic respiration? (Figure 9 – 6)

15. Tally time: How many ATP are generated/netted during:

Glycolysis ______

Krebs cycle ______

Electron Transport Chain _____

Section 9.3: Fermentation

16. Define what Fermentation is and where it occurs in all cells.

17. Looking at Figure 9.8, what process begins both types of fermentation? ______

18. Identify the two types of anaerobic fermentation.

19. Write down the formula for alcoholic fermentation.

20. Which type of organisms would undergo alcoholic fermentation?

21. Write down the formula for lactic acid fermentation.

22. Which organisms do lactic acid fermentation?

21. Discuss why lactic acid builds may build up in your muscles during vigorous exercise.

22. Fill in the chart below comparing Photosynthesis to Cellular Respiration.

Photosynthesis / Cellular Respiration
Function
Location
Reactants
Products
Equation