Multiple choice

2 moles 1, 3 - bisphosphoglycericacid + 2NADPH2 à 2 moles glyceraldehydes 3 phosphate.This reaction is catalysed by:

  1. PGA kinase

  2. Aldolase

  3. Glyceraldehyde - 3p dehydrogenase

  4. RUBP carboxylase
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C Correct answer
Explanation

The reduction of 1,3-bisphosphoglycerate to glyceraldehyde-3-phosphate is catalyzed by glyceraldehyde-3-phosphate dehydrogenase (G3PDH), using NADPH as a cofactor. PGA kinase phosphorylates 3-PGA, aldolase combines molecules, and RUBP carboxylase fixes CO2.

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