Question

give the account of Calvin cycle

Answer 1

The Calvin Cycle is part of photosynthesis, which occurs in two stages.In the first stage, chemical reactions use energy from light to produce ATP an NADPH . In the second stage(Calvin Cycle or dark reactions) carbon dioxide and water are converted into organic molecules,such as glucose .





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Answer 2

Calvin cycle is the second stage in photosynthesis, which is a ‘set of light’ dependent redox reactions when carbon dioxide and water is converted to glucose.

It is also known as ‘C3 cycle, Calvin-Benson-Bassham (CBB)’ cycle, ‘dark reactions’, or ‘reductive pentose phosphate cycle’. Although the reactions are not dependent on ‘light’, but this cycle occurs during daytime so that electron transfer can occur and enzymes of this cycle get powered by daylight.  

The steps of Calvin cycle include:  

(i)  Carbon fixation, when $CO_2$ from the atmosphere is fixed.

(ii) Reduction, when simple sugars are produced.

(iii) Regeneration, when glucose in synthesized.