Photosynthesis in Higher Plants


  • The process involves there organelles namely chloroplast, Peroxisome and Mitochondria using the enzyme RuBisCO that acts as Ribulose Biphosphate oxygenase under the increased concentration of O2.
  • The enzyme splits one molecule of RUBP into 3-PGA and 2-Phosphoglycolic acids from which glycolic acid is formed in chloroplast which is then transported to peroxisome to convert it into glycine.
  • Glycine is later transported into Mitochondria, which is further converted into serine and releases CO2 as a by-product.
  • The amino acid serine is further converted to Hydroxypyruvate → Glycerate → PGA → RUBP.

View this video for the topic from 9:40 to 53:52

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