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What is the first step of the Calvin pathway?(a) Regeneration(b) Reduction(c) CO2 fixation(d) Synthesis of sugarI had been asked this question in an online interview.Origin of the question is Higher Plants Photosynthesis topic in portion Photosynthesis in Higher Plants of Biology – Class 11

Answer»

The correct answer is (c) CO2 fixation

To explain: The FIRST step of the Calvin pathway or the Calvin CYCLE is the carbon dioxide fixation step. Carbon dioxide is fixed with the help of a carbon dioxide acceptor molecule, such as RuBP or PEP.



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