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Which of these is the C4 acid?(a) PEP(b) PGA(c) OAA(d) RuBisCOI had been asked this question in semester exam.My question is taken from Higher Plants Photosynthesis in portion Photosynthesis in Higher Plants of Biology – Class 11

Answer»

The correct option is (c) OAA

To EXPLAIN: The C4 acid has 4 CARBON atoms. It is oxaloacetic acid or OAA. It is the first stable product of carbon dioxide fixation in C4 PLANTS. PGA is a 3-carbon organic acid while PEP also has 3 carbon atoms.



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