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AP Biology

Learn about the intricate process of photosynthesis, including the light reaction and Calvin Cycle. Explore the unique characteristics of C4 plants and their spatial and temporal separation of photosynthetic steps. Understand the role of stomata in leaves and the process of transpiration.

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AP Biology

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  1. AP Biology Photosynthesis Part 3

  2. Photosynthesis Light Reaction

  3. Photosynthesis Calvin Cycle

  4. Calvin Cycle step 1

  5. Calvin Cycle step 2

  6. Calvin Cycle step 3

  7. Mesophyll cell Mesophyll cell CO2 PEP carboxylase Photosynthetic cells of C4 plant leaf Bundle- sheath cell The C4 pathway Oxaloacetate (4 C) PEP (3 C) C4 Plants and Photorespiration Vein (vascular tissue) ADP Malate (4 C) ATP C4 leaf anatomy Pyruvate (3 C) Bundle-sheath cell CO2 Stoma CALVIN CYCLE Sugar Vascular tissue

  8. CAM Plants and Photorespiration Sugarcane Pineapple CAM C4 CO2 CO2 Night Mesophyll cell CO2 incorporated into four-carbon organic acids (carbon fixation) Organic acid Organic acid Bundle- sheath cell Day CO2 CO2 Organic acids release CO2 to Calvin cycle CALVIN CYCLE CALVIN CYCLE Sugar Sugar Spatial separation of steps Temporal separation of steps

  9. Stomata of Leaves & Transpiration

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