| A | B |
|---|
| glucose | the source of most of the energy in the cell |
| ATP | a molecule that stores energy in a high-energy phosphate bond |
| NADh+ and FADh | electron carriers involved in cell respiration |
| anaerobic respiration | cellular respiration in the absence of oxygen |
| aerobic respiration | cellular respiration in the presence of oxygen |
| mitochondria | organelle that is the site of cellular respiration |
| glycolysis | splitting glucose into pyruvic acid molecules |
| fermentation | the breakdown of pyruvic acid |
| alcoholic fermentation | produces alcohol and carbon dioxide |
| lactic acid fermentation | produces lactic acid |
| number of ATP made by anaerobic respiration | 2 ATP |
| Krebs cycle | breaks down pyruvate acid into energy molecules NADH and FADH |
| number of ATP made by Krebs cycle | 2 ATP |
| electron transport chain (ETC) | movement of electrons by NADH, FADH2 |
| number of ATP made by electron transport chain | 34-36 ATP |
| oxygen | final electron acceptor in ETC |
| number of ATP made by aerobic resp. | 38 ATP |
