1. Cell Respiration

2. Cell Respiration-process by which the mitochondria break down glucose to make ATP. (produces 36 ATP’s) Reactants :Oxygen, glucose Products : water, carbon dioxide, ATP O 2 + C 6 H 12 O 6 H 2 O + CO 2 + 36 ATP’s

3. Mitochondria Stage 1 in the cytoplasm Stage 2 in the matrix Stage 3 in the inner membrane cytoplasm

4. Glycolysis (stage 1) –All glucose molecules first go through glycolysis –Anaerobic- no oxygen needed –Occurs in the cytoplasm –Produces 2 net molecules of ATP and 2 Pyruvic Acid molecules Pyruvic acid

5. Citric Acid Cycle/ Krebs Cycle stage 2 Aerobic- requires oxygen -occurs in the mitochondria matrix -Pyruvic acid is used -makes 2 molecules of ATP ’ makes e- carriers NADH, FADH 2

6. Electron Transport Chain Stage 3, -Aerobic- requires oxygen -occurs in the inner membrane - e- carrier molecules NADH and FADH 2 carry electrons from protein to protein to make ATP. -Yields 32 molecules of ATP, Very efficient.

7. Fermentation Fermentation- anaerobic ATP production that occurs after glycolysis in the cytoplasm when oxygen is not available.

8. Lactic Acid Fermentation Lactic Acid Fermentation- produces 2 ATP’s and lactic acid. The lactic acid is stored in muscles and turned back into pyruvic acid. (ex. exercise)

9. Alcoholic Fermentation Alcoholic Fermentation- produces 2 ATP’s, CO 2, and ethyl alcohol. (yeast)

10. Glucose Glycolysis no oxygen oxygen Anaerobic Fermentation Aerobic Respiration Lactic Acid Fermentation Alcoholic Fermentation Electron Transport Chain Kreb’s Cycle (Citric Acid Cycle) 32 ATP’s 2 ATP’s