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Cellular Respiration
AP BIO
| Question | Answer |
|---|---|
| Autotrophs | produce their own food |
| Heterotrophs | consume products created by other organisms |
| Oxidation | loss of electrons |
| NAD+ | electron carrier |
| Aerobic respiration | with oxygen |
| Anaerobic respiration | without oxygen |
| Steps of cellular respiration | 1)glycolysis 2)pyruvate oxidation 3)Krebs cycle 4)Electron transport chain and chemiosmosis |
| Where does glycolysis occur? | cytoplasm |
| Products of glycolysis? | 2 molecules of pyruvate, 2 ATP molecules, 2 NADH |
| Where does pyruvate oxidation occur? | in the outer membrane |
| Products of pyruvate oxidation? | Acetyl-CoA,CO2,NADH |
| Where does the Krebs Cycle occur? | in the matrix |
| Products of the Krebs cycle? | CO2, ATP, NADH, FADH2 |
| Where is the Electron Transport Chain? | In the inner membrane |
| Products of the Electron Transport Chain? How? | ATP through ATP synthase |
| Why is there actually less ATP produced in real life? | Because of the leaky inner membrane, and use of proton pumps for other purposes |
| Where does ethanol fermentation occur? | in yeast |
| Products of alcohol fermentation? | CO2, ethanol, NAD+ |
| Where does lactic acid fermentation occur? | in animal cells |