Mazeikas Biology - Chapter 8
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Created by:
cmmazeikas on November 4, 2011
Classes:
Mazeikas Biology 5th Hour, Mazeikas Biology 4th Hour, Mazeikas Biology 3rd hour
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15 terms
Terms | Definitions |
|---|---|
 adenosine triphosphate (ATP) | compound used by cells to store and release energy |
| autotroph | organism that is able to capture energy from sunlight or chemicals and use it to produce its own food from inorganic compunds; also called a producer |
| heterotroph | organism that obtains food by consuming other living things |
| photosynthesis | process used by plants and other autotrophs to capture light energy and use it to pawer chemical reactions that convert carbon dioxide and water into oxygen adn energy-rich carbohydrates such as sugars and starches |
| pigment | light-absorbing molecule used by plants to gather the sun's energy |
| light-dependent reactions | set of reactions in photosynthesis that use energy from light to produce ATP and NADPH |
| chlorophyll | prinicple pigment of plants and other photosynthetic organisms |
| light-independent reactions | set of reactions in photosyntheses that do not require light; energy from ATP and NADPH is used to build high-energy compounds such as sugar |
| thylakoid | saclike photosynthetic membranes found in chloroplasts |
| stroma | fluid portion of the cloroplasto |
| NADP+ | carrier molecule that transfers high-energy electrons from chlorophyll to otehr moleculesproc |
| photosystem | cluster of chlorophyll and proteins found in thylakoids |
| electron transport chain | series of electron carrier proteins that shuttle high-enrgy electrons during ATP-generating reactions |
| ATP synthase | cluster of proteins that span the cell membrane and allow hydrogen ions (H+) to pass through it |
| Calvin cycle | light-independent reactions of photosynthesis in which energy from ATP and NADPH is used to build high-enrgy compunds such as sugar |
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