AP and TS EAMCET Medical 2020 Model Paper 3

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Question : 30 of 159
 
Marks: +1, -0
Among the following reactions which reaction is considered as "most crucial step (A )" of Calvin cycle and which reaction (B) is catalysed by highly efficient carboxylase enzyme.
I) PEP+HCO3−→OAA
II) RUBP+CO2+H2O→[2]3−PGA
III) RUBP+O2 Phosphoglycerate + phosphoglycolate
IV ) Malicacid →PEP+CO2
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