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Karteikarten von laurenwalker_02, aktualisiert more than 1 year ago
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Erstellt von laurenwalker_02
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| Frage | Antworten |
| What does Autotrophic mean? | Autotrophic organisms are those who use carbon dioxide to make their own organic compounds to create their own energy source. From process of photosynthesis |
| What does Heterotrophic mean? | Heterotrophic organisms are organisms that get their energy indirectly from photosynthesis by consuming other plants or animals in the food chain |
| What is the written formula for the process of Photosynthesis ? | carbon dioxide + water =(light energy+ chlorophyll) = glucose and oxygen |
| What is the chemical formula for Photosynthesis? | 6C02 +6H20= C6H12O6+6O2 |
| What does the stoma contain? | Enzymes needed for photosynthesis to occur and produce glucose |
| What is the site for the light independent reactions? | The stroma as the calvin cycle takes place here |
| Where do the light dependent reactions occur? | In the thylakoids |
| What are the different types of Chlorophyll and what colours are they? | Chlorophyll a- blue/green Chlorophyll b- yellow /green Carotenoids- yellow/orange |
| What is Photolysis? | The splitting of water using energy in this case from light energy |
| What is the difference between Cyclic and Non- Cyclic Photophosphorylation? | Non- Cyclic involves PSII and PSI, and produces ATP, reduced NADP and O2 Cyclic only produces ATP and involves only PSI |
| Describe what happens in Non-Cyclic Photophosphorylation | Light energy excites electrons in chlorophyll complex PSII and moves along electron transport chain to PSI.. Photolysis occurs to provide protons, electrons and o2. An electron is replaced in PSII. ATP is made as electron loses energy as carried down electron transport chain and undergoes chemiosmosis. electrons in PSI are excited and accepted by electron acceptor with a hydrogen ion to reduce NAPD used in Calvin cycle. |
| What is Chemiosmosis? | Where an electron loses energy in the electron transport chain and is used to move proton to thylakoids. changing conc. gradient between thylakoids and stroma. ATP synthesised when moving protons into stroma by ATP synthase from ADP and P. |
| What happens in the Calvin Cycle to produce GP? | RuBp 5 carbon compound is fixated with C02 by enzyme RUBISCO. This becomes a 6 carbon compound and becomes unstable. This then splits in to two lots of glycerate-3-phosphate or x2 GP |
| What happens in the Calvin Cycle from GP to the rest? | x2 ATP and reduced NAPD added to provide stability and energy and with phosphates. To produce x2 GALP. with another ATP molecule to provide energy GALP is converted in to 5C RuBp and 1/6 of a glucose molecule |
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