AP Photosynthesis Flashcards
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| 11162865981 | Electron Transport Chain in photosynthesis | uses high energy electrons generated by the photosystem to pump hydrogen ions into the thylakoid against their concentration gradient. |  | 0 |
| 11162865982 | ATP Synthase | enzyme that uses energy from H+ ions to bind ADP to an inorganic phosphate to produce ATP |  | 1 |
| 11162865983 | NADPH | An electron carrier produced from PSI involved in photosynthesis, which provides the high-energy electrons to the calvin cycle |  | 2 |
| 11162865984 | ATP | (adenosine triphosphate) the main energy source for all cells; a molecule that is catabolized to release energy to drive metabolic processes |  | 3 |
| 11162865985 | Light Dependent Reactions | production of ATP and NADPH to supply the calvin cycle with energy |  | 4 |
| 11162865986 | oxygen | PS2 splits a water to generate __________ for the atmosphere | 5 | |
| 11162865987 | Water | _______ is split in PS2 to generate oxygen and provide an electron | 6 | |
| 11162865988 | Photons | Light energy | 7 | |
| 11162865989 | Thylakoid space | H+ ions are pumped into the ______________________ by the ETC of PS2 | 8 | |
| 11162865990 | H+ ions | diffuse down their concentration gradient to spin ATP Synthase to convert ADP -> ATP | 9 | |
| 11162865991 | Energy in the light ________ | is used to split water and excite electrons | 10 | |
| 11162865992 | At each step in the electron transport chain electrons ________ energy | Lose | 11 | |
| 11162865993 | photolysis | The splitting of water to replace electrons that are lost to photosystem II | 12 | |
| 11162865994 | What does photolysis form? | Oxygen, hydrogen ions, and electrons | 13 | |
| 11162865995 | chlorophyll | pigment used to absorb light energy and excite electrons | 14 | |
| 11162865996 | When are ATP and NADPH used? | light independent reactions | 15 | |
| 11162865997 | Photosynthesis | Conversion of light energy from the sun into chemical energy. | 16 | |
| 11162865998 | Chloroplasts | organelle where photosynthesis takes place |  | 17 |
| 11162865999 | Thylakoid | saclike photosynthetic membranes found in chloroplasts where light dependent reaction takes place |  | 18 |
| 11162866000 | Stroma | fluid portion of the chloroplast; outside of the thylakoids where light independent reaction occurs |  | 19 |
| 11162866001 | Photosystem 1 | the electrons are re-energized by light energy and used to make NADPH. 2nd photosystem in ETC. | 20 | |
| 11162866002 | Photosystem 2 | Uses light energy to split water. 1st photosystem in the light dependent reactions. | 21 | |
| 11162866003 | Water | needed to replace the electron that is lost when it gets added to NADP+ | 22 | |
| 11162866004 | proton gradient | buildup of hydrogen ions in the thylakoid space lowering the pH | 23 | |
| 11162866005 | chemiosmosis | combination of electron transport chain and phosphorylation | 24 | |
| 11162866006 | palisade mesophyll | location in the leaf where photosynthesis takes place | 25 | |
| 11162866007 | stomates | opening in the leaf allowing oxygen out and carbon dioxide in | 26 | |
| 11162866008 | guard cells | cells in the leaf that control the opening and closing of the stomates | 27 | |
| 11162866009 | calvin cycle | Uses ATP and NADPH to produce glucose | 28 | |
| 11162866010 | carbon fixation | stage occurring when RUBP is added to Carbon dioxide to produce 2 molecules of 3PGA | 29 | |
| 11162866011 | ADP + Pi | produced when ATP is used in the calvin cycle | 30 | |
| 11162866012 | NADP | Molecule Produced when hydrogen and electrons are transferred to 3PGA | 31 | |
| 11162866013 | Reduction | stage ocuring when electons to 3PGA to produce G3P | 32 | |
| 11162866014 | Regeneration | the stage when G3P gets converted back to RUBP | 33 | |
| 11162866015 | rubisco | the enzyme needed to attach Carbon dioxide to RUBP | 34 | |
| 11162866016 | the number of carbon dioxides needed to to produce 1 glucose | 6 | 35 |