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Beschreibung
Karteikarten von Hannah Wislang, aktualisiert more than 1 year ago
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Erstellt von Hannah Wislang
vor mehr als 8 Jahre
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| Frage | Antworten |
| The two primary pigments involved in photosynthesis | Chlorophyll a and chlorophyll b |
| Photosystem compex | Is a protein complex that has chlorophyll molecules along with other small organic molecules and proteins |
| A photosystem is composed of a ... | reaction centre complex surrounded by several light harvesting complexes |
| The reaction centre complex is an .. | Organised association of proteins holding a special pair of chlorophyll a molecules |
| Each light harvesting complex consists of | various pigment molecules, which may include chlorophyll a,b or carotenoids bound to proteins |
| When a pigament molecule absorbs a proton.. | The energy is transferred from one pigment molecule to another pigment molecule |
| The energy then gets passed to the ... | Chlorophyll a molecules in the reaction centre complex. |
| These chlorophyll a molecules are able... | To not only excite one electron to a higher energy level, but also are able to transfer electrons to another molecule. The electron in this case is transferred to the primary electron acceptor |
| The two electron from photosystem 2 then... | Travel out and through the cytochrome complex. The movement of these electrons through the cytochrome complex allows hydrogen ions to travel through the cytochrome complex from the stroma into the thylakoid space |
| From the cytochrome complex the electrons travel... | To photosystem 1 and then leave and go to the NADP+ reductase complex where NADPH is produced. this is the first product of the light phase of photosynthesis |
| The breakdown of water | Water is broken down into hydrogen and oxygen by a special catalytic centre in photosystem 2 that breaks water into hydrogen and oxygen. The hydrogen adds to the high concentration in the thylakoid space |
| The high concentration of H+ ions in the thylakoid space travel... | Though the ATP synthase complex which results in the formation of ATP |
| The Calvin cycle | Occurs in the chloroplast stroma. ATP and NADPH which were produced in the light phase are used to fix CO2 and produce carbohydrate |
| First step of calvin cycle | 3 lots of 5 Carbon molecules are added to 3 lots of CO2 to produce 6 3 Carbon molecules |
| Second step reduction | The 6 3 Carbon molecules are changed into another 6 3 Carbon molecules. this step uses 6ATP and 6ADPH molecules. One of these 6 3 Carbon molecules leaves the cycle and is a sugar molecule so will be made into glucose and other compounds |
| The last step | Involes changing the 5 3Carbon molecules into the 3 5Carbon molecules this process uses ATP |
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