Cellular Respiration, Harvesting Energy Chapter 9 Cellular Respiration, Harvesting Energy

Metabolic Pathways

Glycolysis Investment phase ATP added into system Payoff phase ATP produced Substrate level phosphorylation Net gain- 2 ATP 2 NADH Pyruvate Cytoplasm

Glycolysis

Pyruvate Dehydrogenase Gateway into Krebs Oxidative decarboxylation Produces NADH Produces CO2 Produces acetyl Co A Matrix of mitochondrion

Krebs Acetyl group enters Oxaloacetic acid Citric acid 2 oxidative decarboxylatons per cycle 2 ATP by substrate level phosphorylation 6 NADH 2 FADH Matrix of mitochondrion

Electron Transport Chain Embedded in inner membrane of mitochondrion Proton gradient produced Proton gradient drives ATP synthase O2 as terminal electron acceptor NADH – 3 ATP FADH – 2 ATP

ATPsynythase

Over View of Glucose Respiration

Glycolysis http://www.youtube.com/watch?v=x-stLxqPt6E http://www.youtube.com/watch?v=fx2Uq41fiGQ http://highered.mcgraw-hill.com/olc/dl/120071/bio11.swf

Aerobic Respiration Pyruvate dehydrogenasehttp://www.brookscole.com/chemistry_d/templates/student_resources/shared_resources/animations/pdc/pdc.html Krebshttp://www.youtube.com/watch?v=aCypoN3X7KQ http://highered.mcgraw-hill.com/sites/0072507470/student_view0/chapter25/animation__how_the_krebs_cycle_works__quiz_1_.html

Electron Transport NADHhttp://www.youtube.com/watch?v=-_8aYKcQZ_Q&feature=related ETChttp://www.youtube.com/watch?v=xbJ0nbzt5Kw ETChttp://www.youtube.com/watch?v=Idy2XAlZIVA http://highered.mcgraw-hill.com/olc/dl/120071/bio11.swf http://www.sumanasinc.com/webcontent/animations/content/cellularrespiration.html