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Photosynthesis

Dive into the fascinating world of photosynthesis with this animated tour! Discover how light energy captured by Photosystem II (PS-II) is utilized to split water molecules, releasing oxygen and powering electron transport chains. Explore the process of chemiosmosis that produces ATP and NADPH, essential for the Calvin Cycle. Understand how carbon dioxide is fixed into glucose, with six CO2 molecules needed to complete the cycle. This engaging experience brings the intricate steps of photosynthesis to life, showcasing its vital role in sustaining life on Earth.

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Photosynthesis

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  1. Photosynthesis An Animated Tour

  2. H+ e- Photo-system I ETC CHEMIOS Photo-system II H2O O2 Releasing electrons (e-) and hydrogen ions (H+) Light energy is captured by PS-II and the energy is used to split water, releasing oxygen to the air Thylakoid Membrane Stroma

  3. H+ e- Photo-system I ETC CHEMIOS Photo-system II ATP NADPH The H+ ions and electrons power ETC & CHEMIOSMOSIS and produce ATP and NADPH Thylakoid Membrane Stroma

  4. Photo-system I ETC CHEMIOS Photo-system II ATP NADPH Calvin Cycle Glucose CO2 The ATP and NADPH formed in the LIGHT DEPENDENT REACTIONS is used to power the CALVIN CYCLE Carbon Dioxide is “FIXED” in this step to produce CARBOHYDRATE Thylakoid Membrane Stroma

  5. Photo-system I ETC CHEMIOS Photo-system II ATP NADPH Calvin Cycle Calvin Cycle Glucose CO2 Six CO2 molecules needed to “turn” the cycle to produce one glucose molecule Thylakoid Membrane Stroma

  6. e- H+ Photo-system II Photo-system I ETC CHEMIOS ATP NADPH Calvin Cycle Glucose CO2 H2O O2 THE TOTAL TACO Thylakoid Membrane Stroma

  7. THE END

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