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The net requirement of assimilatory powers for the formation of 1 hexose molecules in C3 plant is:

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By Expert Faculty of Sri Chaitanya
a
72 ATP and 48 NADPH+H+
b
90 ATP and 60 NADPH+H+
c
108 ATP and 72 NADPH+H+
d
18 ATP and 12 NADPH+H+

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detailed solution

Correct option is D

Six turns of Calvin cycle are required to produce one molecule of glucose. Twelve ATP and twelve NADPH+H+ molecules are required during reduction phase where twelve 3-PGA molecules are reduced to twelve PGAL molecules and 6 ATPs are required during regeneration phase where six RuBP molecules are regenerated from ten molecules of PGAL.


Similar Questions

Identify the correct statement (s) w.r.t. dark reaction of photosynthesis
(A) Involves use of ATP and NADPH to produce sugar.
(B) Takes place in the stroma of chloroplast.
(C) Does not depend directly on the presence of light.
(D) Depends on the product of light reaction.

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