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Ch 8 (Sec 8.1&8.2)
Photosynthesis
| Question | Answer |
|---|---|
| Adenosine Triphospate (ATP) | compound used by cells to store and release energy |
| Heterotroph | organism that obtains food by consuming other living things; also called a consumer |
| Autotroph | organism that is able to capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds; also called a producer |
| Photosynthesis | process used by plants and other autotrophs to capture light energy and use it to power chemical reactions that produce carbohydrates |
| Pigments | light-absorbing molecules used by plants to gather the sun’s energy |
| Chlorophyll | Main pigment of plants and other photosynthetic organisms |
| Thylakoid | saclike photosynthetic membranes found in chloroplasts |
| Stroma | fluid portion of the chloroplast; outside of the thylakoids |
| NADP+ | carrier molecule that transfers high-energy electrons from chlorophyll to other molecules. |
| Light dependent reactions | set of reactions in photosynthesis that use energy from light to produce ATP and NADPH |
| Light independent reactions | set of reactions in photosynthesis that do not require light; energy from ATP and NADPH is used to build high-energy compounds such as sugar; also called the Calvin cycle |
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