Unformatted text preview: purify air. 8. How did Jean Boussingault prove that plants do not get their carbon from humus? 9. How do we know that the oxygen evolved during photosynthesis comes from water? 10. Define reduction. Define oxidation. Does the oxidized molecule or the reduced molecule of a couplet have more chemical energy? 11. How do you use an action spectrum and absorption spectra to identify the pigment involved in a photochemical response? 12. Briefly describe the light reactions of photosynthesis. 13. How did Melvin Calvin determine the path of carbon in photosynthesis? 14. What is artificial photosynthesis?...
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- Summer '07
- Photosynthesis, Joseph Priestley, Van Helmont