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C3 Cycle

How many ATP ...

Question

How many ATP are required for fixtation of 1 $C O_{2}$ in $C_{3}$ cycle during carboxylation step:-

A

1

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B

2

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C

3

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D

0

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Solution

The correct option is D 0
Fixation of one Glucose molecule requires a total of 18 ATP and 12 NADPH2 molecules which are utilized during Reduction and Regeneration. No ATP is consumed during carboxylation.
So, the correct option is '0'.

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