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Oriole Bio Photosyn
vocab from 3 stages/steps of photosynthesis
| Term | Definition |
|---|---|
| ATP | energy currency of living cells; produced during step 1 and used during step 3 to make glucose |
| Calvin cycle | third step/stage of photosynthesis; uses energy from ATP & NADPH to convert CO2 into glucose |
| carbon dioxide | atmospheric gas attached to RuBP in step 3 so that G3P (PGAL) can be formed then made into glucose |
| chlorophyll | green pigment found in chloroplasts; absorbs light and transfers energy to ATP & NADPH in steps 1 & 2 |
| chloroplast | plant cell organelle that performs photosynthesis so that glucose can be made from CO2 & water |
| G3P (PGAL) | produced during step 3 of photosynthesis and is used to make glucose and re-make RuBP |
| glucose | six-carbon sugar produced from G3P (PGAL) during step 3 of photosynthesis |
| grana | stack of thylakoids found in chloroplasts that contain chlorophyll for photosynthesis |
| photons | absorbed by chlorophyll in steps 1 & 2 and transformed into stored energy as ATP & NADPH |
| NADPH | high-energy compound produced in step 2 and used by step 3 to make G3P (and then glucose) |
| oxygen | given off by plants during step 1 as waste; taken in by animals during respiration (breathing) |
| water | broken apart by plants in step 1 in order to replace electrons lost from the reaction center and give off oxygen |
| photosystem 1 | second step/stage of photosynthesis that absorbs light energy in order to make NADPH for step 3 |
| photosystem 2 | first step/stage of photosynthesis that absorbs photons to make ATP so glucose can be made in step 3 |
| RuBP | used in step 3 to collect CO2 so that glucose can be made; recylced over and over again in this stage |
| stroma | area inside chloroplast around thylakoids where water is stored so that photosynthesis can occur |
| thylakoids | structures in chloroplasts; membrane contains chlorophyll and other molecules used to carry out photosynthesis |
| photosynthesis | process carried out by plants; consists of three steps or stages; used to store absorbed light energy in bonds of glucose |
| ATP synthase | enzyme used in step 1 to harness electrons and make use-able energy for the cell |
| NADP reductase | enzyme from step 2 that combines high-energy electrons with a coenzyme for transport to step 3 |
| RuBisCO | step 3 enzyme that performs carbon fixation to eventually make glucose |
| electron transport chain | series of molecules (including coenzymes) used to transfer electrons in an attempt to carry/transfer energy |
| oxygen | given off as a waste product from the splitting of water molecules in step 1 |
| electrons | boosted to higher energy levels and used to make/store use-able energy as ATP or glucose |
| Carbon fixation | process that occurs in step 3 to add atmospheric carbon dioxide to RuBP for making glucose |
| NADP | coenzyme that has a high-energy electron added to it so it can be carried to step 3 and used (eventually) to make glucose |
| ADP | molecule that has a high-energy phosphate molecule added to it during step 1 so that it can be used in step 3 |
Created by:
nstevens
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