cellular respiration
TRANSCRIPT
CELLULAR RESPIRATION
MAKING ENERGY AVAILABLE FOR LIVING THINGS
Adenine Ribose 3 Phosphate groups
Section 8-1
ATP
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ADP ATP
Energy
EnergyAdenosine diphosphate (ADP) + Phosphate Adenosine triphosphate (ATP)
Partiallychargedbattery
Fullychargedbattery
Section 8-1
Figure 8-3 Comparison of ADP and ATP to a Battery
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Glucose
Glycolysis Krebs cycle
Electrontransport
Fermentation (without oxygen)
Alcohol or lactic acid
Chemical PathwaysSection 9-1
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REDOX REACTIONS
• ALWAYS THINK: LEO-GER• WHEN AN ATOM LOSES AN ELECTRON,
IT IS OXIDIZED (AND IT LOSES ENERGY!!)
• WHEN AN ATOM GAINS AN ELECTRON, IT IS REDUCED (IT GAINS ENERGY!!)
• THIS ALWAYS HAPPENS TOGETHER!!• ELECTRONS ARE ADDED TO CARRIER
MOLECULES LIKE NAD+ AND FAD+
GlucoseGlycolysis
Cytoplasm
Pyruvic acid
Electrons carried in NADH
Krebs Cycle
Electrons carried in
NADH and FADH2 Electron
Transport Chain
Mitochondrion
Figure 9–2 Respiration: An Overview
Mitochondrion
Section 9-1
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Glucose
To the electron transport chain
Figure 9–3 GlycolysisSection 9-1
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2 Pyruvic acid
Glucose Pyruvic acidLactic acid
Figure 9–4 Lactic Acid FermentationSection 9-1
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FlowchartSection 9-2
Glucose(C6H1206)
+Oxygen
(02)
GlycolysisKrebsCycle
ElectronTransport
Chain
Carbon Dioxide
(CO2)+
Water(H2O)
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Cellular Respiration
Citric Acid Production
Figure 9–6 The Krebs CycleSection 9-2
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Mitochondrion
Figure 9–7 Electron Transport ChainSection 9-2
Electron TransportHydrogen Ion Movement
ATP Production
ATP synthase
Channel
Inner Membrane
Matrix
Intermembrane Space
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Mitochondrion