Question

. During formation of 1 glucose molecule by a C3
plant how many ATP are required during
regeneration step?
(1) 12
(2) 6
(3) 18
(4) 1​

Answer 1

Answer:

12 I think

I m not confirmed with this

Answer 2

Answer:

(3) option is correct

Explanation:

reduction is a three-carbon compound. In C

3cycle, the initial carboxylation is brought about by RuBisCO which carboxylates Ribulose 1,5 bisphosphate (RuBP) into phosphoglyceric acid. The phosphoglyceric acid is later on reduced to phosphoglyceraldehyde, which is used to synthesize sugars and recycle RuBP. During C

3cycle, 3 ATP molecules and 2 NADPH

2 molecules are used per carbon dioxide fixed. One ATP molecules are used up for regeneration of RuBP. Thus for a molecule of glucose, 6 carbon dioxide molecules need to be fixed and 6 ATP molecules will be required for regenerating RuBP.

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