1. Photosynthesis & Cellular Respiration http://www.sumanasinc.com/webcontent/a nimations/content/cellularrespiration.html

2. PhotosynthesisCell Respiration Where?ChloroplastsMitochondria When?Presence of lightAll the time InputCO 2 & H 2 0Glucose & O 2 OutputGlucose & O 2 CO 2 & H 2 0 E SourceLightChemical bonds E ResultEnergy storedEnergy released E CarrierNADPH & ATPNAD & FAD

5. Chemical Formula for Cellular Respiration:

6. Question: In what kinds organisms does cellular respiration take place?In what kinds organisms does cellular respiration take place?

7. Plants and Animals Plants - AutotrophsPlants - Autotrophs: self-producers. Animals - Heterotrophs: consumers.

8. Mitochondria Organellecellular respirationOrganelle where cellular respiration takes place. Inner membrane Outer membrane Inner membrane space Matrix Cristae

10. Cellular Respiration Occurs in your cells releases energy for use by the organism 2 different types: –Anaerobic (without oxygen) –Aerobic (with oxygen)

11. 3 rxns./stages of cell respiration: 1.Glycolysis (anerobic) 2.Kreb’s Cycle (aerobic) 3.Electron Transport Chain (aerobic) “ETC”

12. 1. Glycolysis (anaerobic) Sugar is broken down Takes place in cytoplasm Input: glucose (6 carbon molecule) Output: –2 pyruvates (3 carbon molecules) –2 ATP’s

14. 1 Glucose 2 Pyruvates

15. Glycolysis

16. 2. Krebs Cycle (aerobic) (--aka Citric Acid Cycle) Takes place in matrix of mitochondria Input: 2 pyruvate Output: –6 CO 2 –2 ATP

18. Kreb’s cycle

19. 3. Electron Transport Chain, ETC (aerobic) Occurs on cristae of mitochondria As electrons move, energy is given off Produces most ATP! Input: –6 O 2 Output: –___ ATP’s –6 H 2 0

23. Cellular Respiration Animations http://www.science.smith.edu/departments/Biology/Bio231/ http://www.johnkyrk.com/glycolysis.html

24. Question: In addition to glucose, what other various food molecules are use in Cellular Respiration?In addition to glucose, what other various food molecules are use in Cellular Respiration?

25. Catabolism of Various Food Molecules Other organic molecules used for fuel. 1. Carbohydrates: glucose 2. Fats: glycerol and fatty acids 3. Proteins: amino acids

26. Kreb’s cycle “Pyruvate”

27. Fermentation “NO Oxygen” (called anaerobic).Occurs in cytoplasm when “NO Oxygen” is present (called anaerobic). glycolysisfermentationRemember: glycolysis is part of fermentation. Two Types:Two Types: 1.Alcohol Fermentation 2. Lactic Acid Fermentation

28. Alcohol Fermentation Plants and Fungi  beer and winePlants 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 +

29. Alcohol Fermentation End Products: Alcohol fermentationEnd Products: Alcohol fermentation 2 - ATP (substrate-level phosphorylation) 2 - CO 2 2 - Ethanol’s

30. 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

31. Lactic Acid Fermentation End Products: Lactic acid fermentationEnd Products: Lactic acid fermentation 2 - ATP (substrate-level phosphorylation) 2 - Lactic Acids

32. Anaerobic (without O 2 ) conditions: Yeast & Plants Input: glucose Output: –2 Ethyl alcohol –2 CO 2 –2 ATP Yeast in baking Production of beer, wine, alcohol “FERMENTATION” Animals Input: glucose Output: –2 Lactic acid –2 ATP ** Occurs during exercise

34. Foods using fermentation in production:

35. Exercise http://www.bbc.co.uk/schools/gcsebitesize/ biology/humansasorganisms/3respirationr ev4.shtmlhttp://www.bbc.co.uk/schools/gcsebitesize/ biology/humansasorganisms/3respirationr ev4.shtml