Chap 10 Outline - Chapter 10 - Photosynthesis Objectives 1....

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Chapter 10 - Photosynthesis Objectives 1. Distinguish between autotrophic and heterotrophic nutrition. 2. Distinguish between photosynthetic autotrophs and chemosynthetic autotrophs. 3. Describe the location and structure of the chloroplast. 4. Write an equation for photosynthesis. 5. Describe the absorption spectrum. 6. List the wavelengths of light that are most effective for photosynthesis. 7. Explain what happens when chlorophyll or accessory pigments absorb photons. 8. List the components of a photosystem and explain their function. 9. Trace electron flow through photosystems II and I. 10. Compare cyclic and linear (noncyclic) electron flow and explain the relationship between these components of the light reactions. 11. Summarize the light reactions and describe where they occur. 12. Summarize the carbon-fixing reactions of the Calvin cycle. 13. Describe the role of ATP and NADPH in the Calvin cycle. 14. Describe what happens to rubisco when the 0 2 concentration is much higher than CO 2 . 15. Describe the major consequences of photorespiration. 16. Describe two important photosynthetic adaptations that minimize photorespiration. 17. Describe the possible fate of photosynthetic products. Key Words absorption spectrum action spectrum adenosine triphosphate (ATP) antennae atom autotroph bundle-sheath cell C3 plant C4 plant Calvin cycle/reactions CAM plant carbon fixation Carotenoid chlorophyll chlorophyll a chlorophyll b crassulacean acid metabolism (CAM) cyclic electron flow electromagnetic spectrum heterotroph leaf light-harvesting complex linear electron flow light reactions mesophyll NADP+/NADPH photoautotroph photon photophosphorylation photorespiration photosynthesis Photosystem I Photosystem II primary electron acceptor producer reaction center complex spectrophotometer stoma stroma thylakoid visible light wavelength Outline A. Photosynthesis in Nature 1. Plants and other autotrophs are the producers of the biosphere. 2. Photosynthesis is a chemical process in which organic compounds are made from carbon dioxide and water with the help of chloroplasts and light. This process is carried out by autotrophs. 3.
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This note was uploaded on 09/14/2011 for the course BIOL 2301 taught by Professor Staff during the Spring '11 term at Lone Star College System.

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Chap 10 Outline - Chapter 10 - Photosynthesis Objectives 1....

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