1. III. Cell Respiration

3. A. Cellular Respiration
Process in which food is broken down to release ATP
Occurs in Mitochondria
Equation:
C6H12O6 + 6O2  6CO2 + 6H2O + Energy

5. B. Glycolysis 1st step in the process of cell respiration
1 Glucose is broken  2 pyruvate molecules
2 ATP molecules produced overall
Occurs in cytoplasm

10. C. Next the cell has a choice:
Aerobic respiration
a. requires O2
b. happens in mitochondria
Anaerobic respiration
a. no O2 required
b. happens in cytoplasm

12. D. Aerobic Respiration
2 Steps:

14. 1. Krebs Cycle Pyruvate broken down, releasing: CO2
High energy electrons
2 ATP

16. 2. Electron Transport Chain (ETC)
High energy electrons are passed from one molecule to next.
Each transfer helps turn one ADP + P  ATP
32 ATP produced

24. E. Anaerobic Respiration
Two Types

25. 1. Alcoholic Fermentation
Starts with Pyruvate and NADH & Product is ethanol & CO2
Yeast do this in making bread

26. 2. Lactic Acid Fermentation
When human muscle cells run out of Oxygen
Convert Pyruvate to Lactic Acid
Small amount of ATP released