MCQ
First stable product of Calvin cycle has
- A$2$ carbon atoms
- ✓$3$ carbon atoms
- C$4$ carbon atoms
- D$6$ carbon atoms
✓
Answer
Correct option: B.
$3$ carbon atoms
b
(b) Ribulose -$1, 5$ biphosphate $(RuBP)$ acts as $CO_2$ acceptor and $6$ mols $RuBP$ react with $6$ mols of $CO_2$ and given rise to $3$ - phosphoglyceric acid, $3\ PGA$ is a first stable compound in $C_3$ cycle (a $3$ carbon atom).
(b) Ribulose -$1, 5$ biphosphate $(RuBP)$ acts as $CO_2$ acceptor and $6$ mols $RuBP$ react with $6$ mols of $CO_2$ and given rise to $3$ - phosphoglyceric acid, $3\ PGA$ is a first stable compound in $C_3$ cycle (a $3$ carbon atom).
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