| A | B |
| 3-C product of glycolysis | pyruvic acid |
| 2C compound that enters the Krebs cycle | acetyl group |
| 4-C starting compound of the Krebs cycle | oxaloacetic acid |
| 6-C first product of the Krebs cycle | citric acid |
| number of ATP that is generaed from one NADH molecule if oxygen is present | 3 |
| number of ATPs generated from FADH2 if oxygen is present | 2 |
| number of ATP produced from one turn of the Krebs cycle | 1 |
| location of glycolysis | cytosol |
| location of Krebs cycle | mitochondrial matrix |
| location of ETC | inner mitochondrial membrain |
| location of high concentration of protons due to chemiosmosis | intermembrane space |
| enzyme that generates ATP by chemiosmosis | ATP synthase |
| 2C product of some anaerobic respiration | ethyl alcohol |
| 1C product of some anaerobic respiration | carbon dioxide |
| 3 C product of anaerobic respiration in humans | lactic acid |
| type of respiration that evolved first | anaerobic respiration |
| another name for anaerobic respiration | fermentation |
| source of the 2 ATP produced during lactic acid and alocholic fermentation | glycolysis |
| number of molecules of NADH produced from the complete oxidation of glucose during the Krebs cycle | 6 |
| number of molecules of FADH2 produced from the complete oxidation of glucose during the Krebs cycle | 2 |
| number of molecules of ATP produced from the complete oxidation of one molecule of glucose during the Krebs cycle | 2 |
| TOTAL number of ATPs produced from the complete oxidation of glucose if oxygen is present | 36-38 |
| role of oxygen in aerobic respiration | final electron acceptor |
| product formed at the end of the ETC when electrons unite with oxygen | water |
| man who first described the steps involved in the citric acid cycle | Hans Kreb's |
| phosphorylation of ATP in the presence of oxygen | oxidative phosphorylation |
| type of phosphorylation without the use of an ETC | substrate-level phosphorylation |