Biology - Photosynthesis

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Light-Independant reactions

  • Also known as CALVIN CYCLE
  • Produce carbohydrates
  • Require ATP and NADPH

 

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Light dependant reactions

  • Involve electron carrier proteins
  • Produce ATP and NADPH
  • Occur in grana
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G3P

  • Glycerate-3-phosphate
  • 3C Molecule
  • Product of carbon dioxide fixation

 

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TP

  • Triose Phosphate
  • 3C Molecule
  • First carbohydrate in calvin cycle
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NADPHH

  • Required in light-independant reactions
  • Produced in light-dependant reactions
  • Source of hydrogen for reduction reactions
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RuBp

  • Reacts with carbon dioxide
  • 5C acceptor molecule
  • Regenerated by phosphorylation of RuP
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ATP

  • Required in light-independant reactions
  • Produced by phosphorylation
  • Produced in light-dependant reactions
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Photolysis

  • Splits water molecules
  • Produces protons and electrons
  • Part of light-dependant reactions
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Granum

  • Contains chlorophyll
  • Site of light-dependant reactions
  • Comprises a stack of thylakoids
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Granum

  • Contains chlorophyll
  • Site of light-dependant reactions
  • Comprises a stack of thylakoids
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Stroma

  • Site of light-independant reactions
  • Contains enzymes
  • Contains dissolved carbon dioxide
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