photorespitation in C 3 plants strats from phosphoglycerate phosphoglycolate glycerate glycine

photorespitation in C3 plants strats from
  1. phosphoglycerate
  2. phosphoglycolate
  3. glycerate
  4. glycine

Grade:12th pass

1 Answers

Apoorva Arora IIT Roorkee
askIITians Faculty 181 Points
9 years ago
photorespiration in C3 plants start from phosphoglycolate.C3 plants(95% of plants: use only Calvin cycle)
("3" because first cycle product has 3 carbons)
normal supply of CO2 favors photosynthesis, but in dry conditions the high O2 level causes rubisco to attach O2 instead of CO2 to RuBP (called photorespiration) <-essentially waste CO2 and ATP
reduces efficiency of sugar production because cells lose CO2 and ATP

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