1. 1 Cellular Respiration copyright cmassengale

2. 2 Cellular Respiration catabolic, exergonic, oxygen (O 2 ) energy macromolecules (glucose)energy (ATP)water (H 2 O). A catabolic, exergonic, oxygen (O 2 ) requiring process that uses energy extracted from macromolecules (glucose) to produce energy (ATP) and water (H 2 O). C 6 H 12 O 6 + 6O 2  6CO2 + 6H 2 O + energy glucoseATP copyright cmassengale

3. 3 Question: In what kinds organisms does cellular respiration take place? In what kinds organisms does cellular respiration take place? copyright cmassengale

4. 4 Plants and Animals Plants - Autotrophs Plants - Autotrophs: self-producers. Animals - Heterotrophs: consumers. copyright cmassengale

5. 5 Mitochondria Organellecellular respiration Organelle where cellular respiration takes place. Inner membrane Outer membrane Inner membrane space Matrix Cristae copyright cmassengale

6. 6 Breakdown of Cellular Respiration Four main parts (reactions). Four main parts (reactions). 1. Glycolysis (splitting of sugar) a. cytosol, just outside of mitochondria. 2. Grooming Phase a. migration from cytosol to matrix. copyright cmassengale

7. 7 Breakdown of Cellular Respiration 3. Krebs Cycle (Citric Acid Cycle) a. mitochondrial matrix 4. Electron Transport Chain (ETC) and Oxidative Phosphorylation Oxidative Phosphorylation a. Also called Chemiosmosis b. inner mitochondrial membrane. copyright cmassengale

8. 8 Fermentation “NO Oxygen” (called anaerobic). Occurs in cytosol when “NO Oxygen” is present (called anaerobic). glycolysis fermentation Remember: glycolysis is part of fermentation. Two Types: Two Types: 1.Alcohol Fermentation 2. Lactic Acid Fermentation copyright cmassengale

9. 9 Alcohol Fermentation Plants and Fungi  beer and wine Plants and Fungi  beer and wine glucose Glycolysis CCCCCCCCCCCCC CCCCCC 2 Pyruvic acid 2ATP 2ADP + 2 2NADH P 2 NAD + CCCC 2 Ethanol 2CO 2 released 2NADH 2 NAD + copyright cmassengale

10. 10 Alcohol Fermentation End Products: Alcohol fermentation End Products: Alcohol fermentation 2 - ATP (substrate-level phosphorylation) 2 - CO 2 2 - Ethanol’s copyright cmassengale

11. 11 Lactic Acid Fermentation Animals (pain in muscle after a workout). Animals (pain in muscle after a workout). 2 Lactic acid acid 2NADH 2 NAD + CCCCCC Glucose Glycolysis CCCCCC 2 Pyruvic acid 2ATP 2ADP + 2 2NADH P 2 NAD + CCCCCCCCCCCCC copyright cmassengale

12. 12 Lactic Acid Fermentation End Products: Lactic acid fermentation End Products: Lactic acid fermentation 2 - ATP (substrate-level phosphorylation) 2 - Lactic Acids copyright cmassengale

13. 13copyright cmassengale