Cellular Respiration
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13 terms
Terms | Definitions |
|---|---|
 Chemical Equation for Respiration | C(6)H(12)O(6)+6O2--> 6CO2+ 6H2O+ energy |
| Aerobic Respiration | cell respiration in the presence of oxygen can be divided into: Glycolysis, Krebs Cycle, Oxidative Phosphorylation |
| Glycolysis | Decomposition of glucose into pyruvate. Occurs in cytosol |
| Step 1: | 2 ATP are added to get the reaction going |
| Step 2: 2 | 2 NADH are formed when NAD+ combines with 2 electrons and H+, which is why NADH is an energy-rich molecule. NADH provides enough energy to generate about 3 ATP |
| Step 3. | 4 ATPS are produced |
| Step 4: | 2 Pyruvate are formed |
| Summary of Glycolysis: | 1 glucose--> 2 pyruvate, 2 NADH, 2 ATP (four are made, but 2 are used in the beginning, so we only gain 2) |
| The Krebs Cycle | (we only follow one pyruvate, but we made 2 in glycolysis, so really everything should be multipled by 2!) |
| Step 1: (before the actual Krebs Cycle-- happens right before) | Pyruvate combines with CoA to make acetyl CoA, producing 1 NADH and 1 CO2 |
| Step 2: Krebs Cycle | acetyl CoA combines with OAA to make citrate. 7 products, but along the way we make 3 NADH, 1 FADH, and release CO2. |
| Oxidative Phosphorylation | the process of getting ATP from NADH and FADH (same as NADH, but generates about 2 ATP) through the electron transport chain |
| Electron Transport Chain | consists of proteins that pass electrons from one carrier to the next. Along each step, the electrons give up energy used to change ADP to ATP. Final acceptor is O2, which forms water with 2 H+. |
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