chapter 6 photosynthesis
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15 terms
Terms | Definitions |
|---|---|
 Autotrophs | change light energy from sun to chemical energy- foods, primarily carbohydrates by process of photosynthesis -- plants |
| Heterotrophs | get energy from eating food (other heterotrophs or autrophs) -- animals |
| What is photosynthesis? | Taking energy from the sun; using it to produce chemical energy in the form of carbohydrates. |
| What are the two stages of photosynthesis? | Light Reactions and Calvin Cycle (Dark Reactions) |
| Light Reactions | Light energy from the sun changed to chemical energy stored temporarily in ATP and NADPH |
| Calvin Cycle (Dark Reactions) | Form carbohydrates using C O2 and ATP and NADPH |
| Photosynthesis equation | 6 C O2 + 6 H2 O > light energy > C6 H12 O6 + 6 O2 |
| What is needed for photosynthesis? | Carbon Dioxide (C O2) plus water (H2 O) and light energy |
| What is made in photosynthesis? | Carbohydrate (C6H12O6) |
| What is released in photosynthesis? | Oxygen (O2) |
| Where does photosynthesis occur? | Photosynthesis occurs inside a chloroplast |
| Chloroplast | An organelle that captures light inside membrane in flattened sacs called thylakoids |
| Thylakoid | A saclike membrane that is the structural unit of the grana in the chloroplasts of plant cells |
| Grana (one stack is called granum) | A series of stacked thylakoid disks containing chlorophyll; found in the inner membrane of chloroplasts. |
| Stroma | The fluid content of the chloroplast organelle. |
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