The photosynthesis is actually divided into two parts. There's the light part and the dark part.
The light part is all
about capturing sunlight and turning it
into storable forms of energy that the
plant can then use for other things.
So it creates ATP and it also creates a compound called NADPH, which it uses later on as a proton source.
And those things drive the second part of photosynthesis, which are the dark processes,
which is what most, the ones that most of us learn about in painful chemical cycles like the
Calvin-Bassham-Benson cycle, also known as the 3C - C3 cycle. It's called the C3 cycle
because the first things that it
produces are three carbon compounds.
But they've, but the whole process is driven by the ATP and the NADPH that was created in the light part of
photosynthesis.
Uh so they also require, if you look at the Calvin cycle you'll see there are a number of phosphorylated
compounds that actually occur within the
cycle, for example during the synthesis
of glucose it passes through fructose
6-phosphate to (to) glucose 6-phosphate and
then finally to glucose. So it's a vital
part of the chemistry as well as of the
energy processes that drive the cycle round.
