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Understanding Photosynthesis: Energy, Carbon Fixation, and Reaction Pathways

This comprehensive guide covers the essential concepts of photosynthesis, including light and dark reactions, carbon fixation processes, and the role of chlorophyll and ATP. It explains how autotrophs like plants and algae convert sunlight into chemical energy, detailing key reactions such as the Calvin Cycle. The article also describes different types of plants (C3, C4, and CAM) and their distinctive methods of carbon fixation. Dive into the science of energy transformation that sustains life on Earth.

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Understanding Photosynthesis: Energy, Carbon Fixation, and Reaction Pathways

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Presentation Transcript

  1. All About Energy

  2. Carbon Fixation

  3. Photosystems

  4. Alternate Pathways

  5. Light & Dark Reactions

  6. Vocabulary

  7. Light & Dark Reactions Carbon Fixation Photo-systems Alternate Pathways All About Energy Vocabulary $100 $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 $500

  8. Ultimate energy for all life on Earth

  9. What is sunlight?

  10. Organisms such as plants and algae that can trap energy from the sun and convert it into chemical energy

  11. What are autotrophs?

  12. Type of chemical energy made during photosynthesis and used by all cells

  13. What is ATP?

  14. Type of chlorophyll that absorbs light energy in the range of 650 nm wavelength

  15. What is chlorophyll a?

  16. Photosynthesis is this type of Energy reaction

  17. What is an endergonic reaction?

  18. Molecule that supplies the carbon atoms in photosynthesis

  19. What is CO2?

  20. The biochemical pathway that is used in photosynthesis to produce the organic compound Glucose

  21. What is the Calvin Cycle?

  22. Part of the Chloroplast where carbon fixation occurs

  23. What is the stroma?

  24. The 5-carbon molecule that combines with CO2 in the chloroplast to form a 6-carbon molecule

  25. What is RuBP?

  26. Molecule that forms when PGA combines with a phosphate from ATP

  27. What is PGAL?

  28. Stacks of thylakoids inside the chloroplast

  29. What are grana?

  30. Three things that happen to light when it strikes an object

  31. What is reflected, transmitted, or absorbed?

  32. Molecule in photosystems I and II that becomes excited by light energy

  33. What is Chlorophyll a?

  34. Substance that supplies the needed electrons to replace ones lost by chlorophyll

  35. What is water?

  36. Where the electron transport chain takes place

  37. What is the thylakoid membrane?

  38. The most common pathway for carbon fixation

  39. What is the Calvin Cycle or C3 Cycle?

  40. Plants that only fix carbon using the Calvin Cycle

  41. What are C3 plants?

  42. Pores where most water loss occurs on a plant

  43. What are stomata?

  44. Sugar cane, corn, and crab grass are examples

  45. What are C4 plants?

  46. Cactus and pineapple are examples

  47. What are CAM plants?

  48. Yellow, Orange, and Brown pigments that absorb light

  49. What are carotenoids?

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