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Which of these is a 3-carbon organic acid?(a) PGA(b) BTCA(c) Citric acid(d) Acetic acidI had been asked this question in homework.My query is from Higher Plants Photosynthesis in section Photosynthesis in Higher Plants of Biology – Class 11

Answer»

The correct choice is (a) PGA

The best explanation: PGA or 3-phosphoglyceric acid is a 3-carbon organic acid. CITRIC acid has 6 carbon ATOMS while ACETIC acid has 2 carbon atoms. PGA is a product of the carbon dioxide fixation stage of photosynthesis.



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