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Ch. 6 Photosynthesis

Ch. 6 Photosynthesis. Mrs. Stewart Honors Biology Central Magnet School. Notes 6.1 - Light Reactions. Page 113. Standards. CLE 3210.3.3 Investigate the relationship between the processes of photosynthesis and cellular respiration.

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Ch. 6 Photosynthesis

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  1. Ch. 6 Photosynthesis Mrs. Stewart Honors Biology Central Magnet School

  2. Notes 6.1 - Light Reactions Page 113

  3. Standards • CLE 3210.3.3 Investigate the relationship between the processes of photosynthesis and cellular respiration. • SPI 3210.3.3 Compare and contrast photosynthesis and cellular respiration in terms of energy transformation.

  4. Objectives • Identify the reactants and products for the light cycle of photosynthesis • Identify the location of the light cycle

  5. Find a Partner

  6. With your partner • Define autotrophsand heterotrophs, and give an example of each. • How is photosynthesis and energy related to each of those is number 1?

  7. Watch the video • Answer the following questions: • What are the flowers doing? • Why are they doing it?

  8. Photosynthesis light reaction video

  9. Photosynthesis Basics Where does photosynthesis take place? In organelles called chloroplasts.

  10. Chlorophyll • Chloroplasts contain the pigment known as chlorophyll

  11. Pigments • Absorb different wavelengths of light (colors) • Reflect (transmit) what they do not absorb • We see what is reflected back.

  12. The Visible Light Spectrum

  13. Absorption of Light by Chlorophyll a and Chlorophyll b

  14. Dogs and Monkeys TogetherThink – pair - share • Why are leaves (plants) green?

  15. Light Reactions Reactants: Products: Light in the form of photons, water, NADP+, ADP, Phosphorous ATP, NADPH, oxygen

  16. What you need to know: • Where do the light reactions occur? • What is needed? • What is created? In the thylakoids that are inside chloroplasts. Light (photons), water ATP & NADPH go on to Calvin cycle; and oxygen that is released.

  17. Discovery – photosynthesis video • Identify the reactants and products of the light cycle in the video • Identify the location of the light cycle in the video

  18. Objectives • Identify the reactants and products for the light cycle of photosynthesis • Identify the location of the light cycle

  19. Standards • CLE 3210.3.3 Investigate the relationship between the processes of photosynthesis and cellular respiration. • SPI 3210.3.3 Compare and contrast photosynthesis and cellular respiration in terms of energy transformation.

  20. Notes 6.2 Calvin Cycle

  21. Standards • CLE 3210.3.3 Investigate the relationship between the processes of photosynthesis and cellular respiration. • SPI 3210.3.3 Compare and contrast photosynthesis and cellular respiration in terms of energy transformation.

  22. Objectives • Compare and contrast the light-dependent and light-independent cycles of photosynthesis in terms of reactants and products • Identify the location for the light-independent (Calvin cycle) for photosynthesis

  23. Dogs • Tell your monkey where the reactions of photosynthesis will occur in relation to a plant cell

  24. Monkeys • Tell your dog the reactants for the light– dependent reactions of photosynthesis

  25. Dogs • Tell your monkey the products for the light– dependent reactions of photosynthesis

  26. Monkeys • Tell your dog where the light– dependent reactions of photosynthesis occur - specifically

  27. Where does it happen? • Two Stages: • Light Cycle: • Calvin Cycle: Takes place in the thylakoid Takes place in the stroma

  28. Light-Dependent Cycle • Reactants: • Products: H2O and Light energy from the environment NADP+ and ADP+ from the Calvin cycle. O2 gas – released through stoma ATP and NADPH – to Calvin cycle

  29. Calvin Cycle • Reactants: • Products: CO2 – from atmosphere ATP & NADPH – from light cycle Sugar & other monomers for macromolecules such as amino acids (proteins) and fatty acids (lipids)

  30. Putting it all together

  31. Making ConnectionsTogether • How do the light-dependent and light-independent cycles of photosynthesis depend on each other?

  32. Making ConnectionsTogether • Look in your book on page 120 and find out what “carbon fixation” is. • Look up “nitrogen fixation” in your glossary. • How are these two similar?

  33. Stomata • Stomata (plural) stoma (singular): Specialized cells that create a pore in the leaves that allow air (CO2, O2, water vapor) to come and go.

  34. Diffusion in Action

  35. With your partner – think/pair/share • Describe why plant cells may want to close their stoma.

  36. Discovery – photosynthesis video • Identify the reactants and products of the light-independent (Calvin) cycle in the video • Identify the location of the light-independent (Calvin) cycle in the video

  37. Objectives • Compare and contrast the light-dependent and light-independent cycles of photosynthesis in terms of reactants and products • Identify the location for the light-independent (Calvin cycle) for photosynthesis

  38. Standards • CLE 3210.3.3 Investigate the relationship between the processes of photosynthesis and cellular respiration. • SPI 3210.3.3 Compare and contrast photosynthesis and cellular respiration in terms of energy transformation.

  39. Exit Ticket • m.socrative.com • Room: stewart348

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