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Plant Life: Understanding Photosynthesis and Light Reactions in Gymnosperms and Angiosperms

Dive into the world of plants, exploring gymnosperms vs. angiosperms, monocots vs. dicots, and the intricate processes of photosynthesis. Learn about light-dependent and light-independent reactions, chloroplasts, and the cycle of growth for plants.

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Plant Life: Understanding Photosynthesis and Light Reactions in Gymnosperms and Angiosperms

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  1. Photosynthesis

  2. Gymnosperm

  3. Angiosperm

  4. Click on picture

  5. Autotrophs or Heterotrophs

  6. Frequency versus Wavelength

  7. What Pigments Are Shown In Each??

  8. Ok soooo how are we feeling… …before we get into the hard stuff??

  9. Plant and Leaf • What is the difference between a gymnosperm and an angiosperm? • What are the differences between a monocot and a dicot? Are they (monocots and dicots) gymnosperms or angiosperms? • What are the two systems of a plant? How do they communicate with each other? • What is the evolutionary relationship between terminal buds and auxillary buds? • What are the four whorls of a flower? What are their functions? • What is the relationship between a sporophyte and a gametophyte? • What is the cycle of growth for an annual? Perennial? Biennial? • How does carbon dioxide get into the plant? • How does a plant avoid losing its needed water?

  10. Light and Pigments

  11. Chloroplasts

  12. Here We Go!!!!!!!!

  13. Light Dependent Reactions Non Cyclic Video

  14. Light Dependent Reactions

  15. Light Dependent Reactions

  16. Light Dependent Reactions • Goal of light energy is to create ATP and NADPH to power the light independent reaction. The key to forming is the flow of energy through the PS. There are 2 routes, the cyclic and the noncyclic. The noncyclic is the predominant.

  17. Non Cyclic Flow

  18. Non Cyclic Flow

  19. Non Cyclic Flow

  20. Finally…end of Non Cyclic

  21. Light Dependent Reaction Outside Thylakoid A A Thylakoid Membrane NADP+ ADP Photosystem ___ Photosystem ___ Electron Transport Chain + Inside the Thylakoid Stroma for Calvin Cycle

  22. Cyclic

  23. Cyclic

  24. And now…Light Independent • Uses ATP and NADPH (produced in LDR) • Regenerates its starting material after molecules enter and leave the cycle • What enters?? • Carbon Dioxide • What leaves?? • Sugar (G3P-glyceraldehyde 3-phosphate)

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