Carbon dioxide fixation in the Calvin cycle is catalyzed by:

The stages of the Calvin cycle are given below. Identify $P, Q$ and $R$.

$A-$ RuBisCO,which is the most abundant enzyme in the world,is characterized by the fact that its active site can bind to both $CO_2$ and $O_2$.
$R-$ RuBisCO is the most abundant enzyme in the world.

Which enzyme is involved in the conversion of $3-PGA$ to $3-PGAL$?

Calvin cycle can be described under three stages. These stages are
$I.$ Carboxylation $II.$ Ligation $III.$ Reduction $IV.$ Regeneration
Select the correct option.

Name the phosphorylated aldotriose synthesized during the dark reaction of photosynthesis.