11th Class Biology Photosynthesis in Higher Plants

  • question_answer 35)
      What is the basis for designating  and  pathways of photosynthesis?


                      The basis for designating  and  pathways of photosynthesis is as follows
     Pathway  Pathway
    In Calvin cycle or  cycle (dark reaction), carbon dioxide is fixed into first stable compound called 3-PGA, (3-phorphoglyceric acid) which is a 3 carbon compund. In  plants, the Calvin cycle  cycle occurs in bundle sheath cells. Prior to reaching there, the  is trapped by mesophyll cells and fixed into a 4-carbon stable product called oxalo acetic acid.

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