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Photosynthesis

Explore the interaction between light and matter in photosynthesis. Discover how photosynthesis elevates molecules to excited states and the process of returning them to ground states. Learn about carbon fixation through the Calvin cycle and light-independent reactions.

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Photosynthesis

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  1. Photosynthesis

  2. Two Sets of Reactions

  3. Interaction between light and matter • Raises molecule to "excited state" • Molecule can return to ground state by • Losing energy as heat • Losing energy as fluorescent light • Transferring the energy to another molecule (resonance transfer) • Losing an excited electron (photooxidation)

  4. Carbon Fixation • The "light independent" reactions • The Calvin cycle

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