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The first step in dark reaction of photo...

The first step in dark reaction of photosynthesis is

A

Formation of ATP

B

Ionization of water

C

Attachment of `CO_2` to a pentose sugar

D

The excitement of electron of chlorophyll by a photon of light

Text Solution

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The correct Answer is:
C
The first step in the Calvin cycle is the fixation of `CO_2` the `CO_2` molecube condenses with ribulose 1,5 bisphosphates to form an unstable six carbon compound which is rapidly hydrolyzed to two molecules of 3 – phosphoglycerate
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