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Exploring Photosynthesis: Myths, Processes, and Steps Unveiled

Dive into the fascinating realm of photosynthesis - from common misconceptions to intricate steps like Fixation, Reduction, and Regeneration in the Calvin Cycle. Discover the secrets behind C3, C4, and CAM plants optimizing their processes for survival.

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Exploring Photosynthesis: Myths, Processes, and Steps Unveiled

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Presentation Transcript

  1. Photosynthesis Mader Chapter 7

  2. True or False. Only plants photosynthesize? Most people think I am a plant! Me too!

  3. Name the following

  4. Absorption Spectrum vs. Action Spectrum

  5. What is oxidized and what is reduced in this process? If this guy says one more thing about photosynthesis Hey baby… do you know why plants need water? C.B. van Niel on a hot date!

  6. What are they and what are the basics? Photosynthesis Occurs in Two Steps

  7. Photosynthesis-LDR You do not need to know all the specific names… know some, but more importantly understand the big picture of what is produced, how it is produced and why it is produced

  8. Non-cyclic vs. Cyclic Pathway What are the differences between the two?

  9. Occurs in 3 steps Fixation Reduction Regeneration Calvin Cycle Both Reduction and Regeneration require energy For every 3 CO2… 1 G3P is produced… and it takes 2 G3P to make 1 Glucose

  10. G3P is the end product of photosynthesis but the beginning of many more catabolic and anabolic processes!

  11. C3, C4, and CAM(also C4)plants PEP case fixes CO2 toPEP, a 3 carbon molecule, to make oxaloacetate… which is then reduced to malate Why do certain plants take these extra steps? To reduce photorespiration and to avoid drying out with excessive transpiration

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