The assimilatory power required in reduction phase of calvin cycle per one CO2 molecule is ________.
A
2 ATP and 2 NADPH
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B
2 ATP and 3 NADPH
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C
1 ATP and 2 NADPH
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D
3 ATP and 2 NADPH
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Solution
The correct option is A 2 ATP and 2 NADPH If one CO2 is carboxylated two molecules of 3-PGA are produced. To reduce 2 molecules of 3-PGA we require 2 molecules of ATP and two molecules of NADPH.