Chapter 5
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19 terms
Terms | Definitions |
|---|---|
 Photosynthesis | process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and glucose |
| Autotroph | an organism that makes its own food |
| Heterotroph | an organism that cannot make its own food |
| Cellular respiration | Process that uses glucose to make energy, ATP |
| Pigment | Light-absorbing molecule |
| Chlorophyll | Pigment |
| Carotenoids | Pigments |
| Thylakoids | A flattened membrane sac inside the chloroplast, used to convert light energy to chemical energy. |
| Electron transport chain | A series of molecules that excited electrons pass |
| NADPH | electron carrier that provides high-energy electrons to power the third stage of photosynthesis |
| Carbon dioxide fixation | The transfer of the carbon found in carbon dioxide into sugar (glucose) |
| Calvin cycle | reactions of photosynthesis in which energy from ATP and NADPH is used to build high-energy compounds such as sugar |
| Aerobic | With oxygen |
| Anaerobic | Without oxygen |
| Glycolysis | 1st step in cellular respiration producing pyruvate, ATP and NADH |
| NADH | Electron carrier |
| Kreb's Cycle | 2nd step in cellular respiration producing Carbon dioxide, ATP, NADH and FADH2 |
| FADH2 | electron carrier |
| Fermentation | The 2nd step in cellular respiration when no oxygen is present, creates either lactate or ethanol & carbon dioxide |
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