24. Photosynthesisis the most
important producer of
molecular oxygen (O2) on our
planet. From which molecule
do oxygen atoms liberated by
photosynthesis come? From
which other molecule could
one suspect they have come?
What are the destinations of
those oxygen atoms?

Gap-fill exercise

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The oxygen atoms as
molecular oxygen the photosynthesis
process from water.

One could suspect that
oxygen atoms would come from
carbon . Oxygen atoms from
dioxide however are
into glucose molecules
into water molecules in the
chemical of photosynthesis.