Understanding Photosynthesis: Importance, Process, and Pigments

Explore the crucial process of photosynthesis in plants, from the absorption of sunlight to the production of biomolecules. Discover the significance of leaf pigments, light absorption, and why leaves are green. Delve into the types of pigments and the reasons behind leaves changing colors. Uncover the role of pigments in photosynthesis and the life cycle of deciduous plants.

• Photosynthesis
• Plant Biology
• Leaf Pigments
• Chlorophyll
• Light Absorption

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1. Photosynthesis

2. Why is it important to the plant?

3. The general Process Step One- absorb sunlight Step Two- turn sunlight into usable energy Step Three- Use energy to produce biomolecules

4. Leaf Pigments

5. Light Absorption and Reflection

6. Why Leaves are Green

7. The Purpose of Pigments

8. Location of Pigments

9. Photosynthesis Step One

10. Types of Pigments Chlorophyll- C55H72O5N4Mg- green Xanthophylls- yellow Carotenoids- yellow/orange Anthocyanins- red

11. Look at Leaf Chromatography Put yourself into groups based on the color of your original leaf What do you all have in common? Discuss and write the colors present on your chromatography slip

12. Analysis Questions What pigment is missing when leaves change colors? Why do leaves have more than one pigment? What colors are most useful for plants? Why do you think leaves change colors?

13. Life Cycle of Deciduous Plants

14. Why Leaves Change Colors

15. How These Pigments Start Photosynthesis Step One: light absorption Where does this process take place What is occurring in this process What role do the pigments play

16. What happens to electrons when they gain energy?

17. Chlorophyll Releases an Electron

18. Draw The Process

19. What things are needed to start the process? What things are produced?

20. How is Light Used

21. How is water used?

22. Exit Slip Questions What changes occur in the leaves during fall? Why do plant leaves have more than one pigment? Summarize the process of light absorption. Make sure to include the following terms: water, hydrogen ions, oxygen, light, electrons, chlorophyll, enzyme