Term
| What is a chloraphyll molecule made up of? |
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Definition
Phorphorin Ring containing magnesium
Hydro carbon tail. |
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Term
| How does the P680 function? |
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Definition
| Resonance energy arrives at the P680, and an electron is excited, leaves the P680, which is oxidised to P680+, a very strong oxidising agent. The P680+ can assist with the splitting of water molecules so that it can regain its lost electrons. |
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Term
After entering the primary electron acceptor, what steps ensure?
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Definition
| The electrons are transfered one by one via plastoquinone qa to qb. two protons enter the plastoquinone qb carrier from the stroma, and all are carried to the cytochrome B6F complex |
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Term
| what occurs at the cyctocrome B6F |
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Definition
| Two protons are pumped into the lumen to create a proton gradient for atp synthase, by coupling the exergonic fall of electrons down their energy gradients The two electrons are taken up by plastocyanin, and taken to the P700. |
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Term
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Definition
| The P700 receives resonance energy from photons and other chlorophyl molecules. The P700 re-excites the electrons which then enter the electron acceptor for photosystem two. |
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Term
| What is the function of Ferrodoxin? |
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Definition
| Ferrodoxin acquires electrons from photosystem 1. these electrons are carried to NADP+ synthase, which also recieves a proton. The electrons and the proton are used to reduce NADP+ to NADPH. |
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