Freshman Bio Accel Chapter 6
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Created by:
TheDarkFiddler on October 27, 2009
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20 terms
Terms | Definitions |
|---|---|
 autotroph | self feeding; gets energy from sun |
| photosynthesis | convert light energy from sun into chemical energy |
| heterotrophs | organisms that eat for energy |
| light reactions | reactions that require light energy to work |
| chloroplast | organelles in plants and algae, absorb light |
| thylakoids | flattened sacs in chloroplast |
| grana | stacks of thykaloids |
| stroma | solution surrounding grana in chloroplast |
| pigment | compounds that absorb light |
| chlorophyll | a type of pigments in the membrane of thykaloids |
| carotentoid | another type of pigment in thykaloids, capture more light |
| photosystem | cluster of pigment molecules & the proteins they are embedded in |
| primary electron acceptor | accept lost electrons during photosynthesis |
| ellectron transport chain | transfer electrons into the thykaloid |
| chemiosmosis | synthesis of ATP |
| Calvin cycle | a series of enzyme-assisted chemical reactions that produces a three-carbon sugar |
| carbon fixation | CO2 incorporating into organic compounds |
| stomata | small pores through which water can escape plants, usually on underside of leaves |
| C4 pathway | pathways that allow plants to fix CO2 into four-carbon compounds |
| CAM pathway | pathways that adapted in plants that live in hot, dry climates |
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