| A | B |
|---|
| glucose | the source of most of the energy in the cell |
| ATP | adenosine triphosphate |
| Electron carriers | molecules that transfer electrons from one substance to another |
| NAD+ and FAD | 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 |
| oxidation-reduction reaction | reaction in which electrons are gained by one substance and lost by another |
| oxidation | the loss of electrons |
| reduction | the gain of electrons |
| glycolysis | splitting glucose into 2 pyruvic acid molecules |
| Krebs cycle | breaks acetyl CoA into carbon dioxide |
| number of usable ATP made from cellular respiration | 36 ATP |
| electron transport chain (ETC) | movement of electrons by NADH, FADH2 |
| reactants of photosynthesis | CO2 + H2O + light energy |
| reactants of cellular respiration | C6H12O6 + O2 + energy |
| biochemical pathways | Complex series of chemical reactions where the product of one reaction is consumed in the next reaction |
| pigments | absorb certain colors of light and reflect or transmit the other colors |
