| 1. Phosphoenol pyruvate \[\to \] Oxaloacetic acid |
| 2. Malic acid \[\to \]Pyruvic acid |
| 3. Ribulose bisphosphate \[\to \] Phosphoglyceric acid |
| 4. Oxaloacetic acid \[\to \] Malic acid In which of the above reactions, the end products are formed as a result of carboxylation reaction. |
A) 1 and 4 only
B) 1 and 3 only
C) 2 and 3 only
D) 2 and 4 only
Correct Answer: B
Solution :
Phospoenol pyruvate is first changed into acetyl Co A and then through krebs cycle, changed into oxalacetic acid. In Calvin cycle RuBP reacts with \[C{{O}_{2}}\]and 3-phosphoglyceric acid is formed.
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