Put the steps of the light reactions in the correct order
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1.ATP uses energy to add a phosphate to ADP forming ATP
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2.At the end of the electron transport chain, the energized electrons and an H+ ion are used to reduce NADP+ to NADPH
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3.Water is split to replace the electrons in photosystem II
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4.Electrons move down the electron transport chain, releasing energy
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5.H+ ions flow down the concentration gradient through a channel in ATP Synthase, releasing energy in the process
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6.A protein in the electron transport chain, pumps H+ ions from the stroma into the thylakoid space
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7.Light energy is transferred to a chlorophyll reaction center where electrons become energized.
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8.Electrons from the electron transport chain close to photosystem II replace the electrons lost in photosystem I
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9.Photosystem II receives photons in the form of light energy
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10.Electrons from Photosystem I become energized and escape photosystem I and move down the second electron transport chain.
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11.Electrons move to an electron acceptor in the electron transport chain and electrons in photosystem II are replaced by the splitting of a water molecule
7. Light energy is transferred to a chlorophyll reaction center where electrons become energized.
9. Photosystem II receives photons in the form of light energy.
3. Water is split to replace the electrons in photosystem II.
11. Electrons move to an electron acceptor in the electron transport chain and electrons in photosystem II are replaced by the splitting of a water molecule.
4. Electrons move down the electron transport chain, releasing energy.
6. A protein in the electron transport chain, pumps H+ ions from the stroma into the thylakoid space.
10. Electrons from Photosystem I become energized and escape photosystem I and move down the second electron transport chain.
8. Electrons from the electron transport chain close to photosystem II replace the electrons lost in photosystem I.
2. At the end of the electron transport chain, the energized electrons and an H+ ion are used to reduce NADP+ to NADPH.
5. H+ ions flow down the concentration gradient through a channel in ATP Synthase, releasing energy in the process.
1. ATP uses energy to add a phosphate to ADP forming ATP.