Modern Biology Ch. 5&6, Set 2
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16 terms
Terms | Definitions |
|---|---|
 what happens when a chlorophyll molecule absorbs a photon of light | some of its electrons are raised to a higher energy level |
| what happens when electrons of chlorophyll molecule are raised to a higher energy level | they enter an electron transport chain |
| the reason NADP+ is important in photosynthesis | it carries hydrogen atoms and energy for producing organic molecules |
| what happens to electrons of photosystem I | they are eventually replaced by electrons from photosystem II |
| the source of oxygen produced during photosynthesis | water |
| the major atmospheric byproduct of photosynthesis | oxygen |
| this enables green plants to convert light energy to chemical energy | proton pump |
| proton pumps found in the thylakoid membranes are directly responsible for this | providing the energy to produce ATP molecules |
| what happens at a proton pump of the thylakoid membrane | the thylakoid bursts, releasing energy |
| dark reactions require these products of light reactions of photosynthesis | ATP and NADPH |
| characteristics of dark reactions of photosynthesis | generate glucose, require ATP & NADPH, can occur in both light and dark conditions |
| source of energy used in the Calvin cycle for the production of carbohydrate molecules | ATP made in the 2nd stage of photosynthesis |
| the series of reactions that create the complex carbohydrates during photosynthesis | the Calvin cycle |
| source of carbon atoms in all organic molecules can be traced back to this in the food chain | carbon dioxide from the atmosphere |
| these can be produced from the products of the Calvin cycle | carbohydrates, lipids, and proteins |
| when C3, C4 and CAM plants differ from each other | in the initial product of carbon fixation |
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