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In a condensed schematic representation ...

In a condensed schematic representation of drak reaction of photosynthesis gien below , steps are indicated by alphabets. Select the option where the alphabets are correctly identified

A

`A = CO_2` fixation, B = Reduction C = Phosphorylation , D= Regeneration

B

A = Regeneration, B = 2 `CO_2` fixation, C = Reduction, D = Phosphorylation

C

`A= CO_2` fixation, B = Phosphorylation, C = Reduction, D = Regeneration

D

`A = CO_2` fixation, B = Phosphorylation, C = Regeneration, D = Reduction

Text Solution

Verified by Experts

The correct Answer is:
C
A – Ribulose bisphosphate combine atmospheric carbon dioxide to form an unstable compound which spits into two molecules of 3 phosphoglyceric acid.
B – 3- phosphoglyceric acid is phosphorylated to form 1, 3 bisphosphoglyceric acids in the presence of enzyme phosphoglycerokinase.
C – Reduction – 1, 3 bisphosphoglyceric acids reduced to 3 – phosphoglyceraldehyde in the presence of coenzyme NADPH catalyzed by trios phosphate dehydrogenase.
D – Regeneration of RuBP. Refer in Book.
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