Noun
The
enzyme
that
allows
plants
,
algae
,
and
some
bacteria
to
capture
carbon
dioxide
from
the
atmosphere
and
convert
it
into
organic compounds
during
photosynthesis
.
It
catalyzes
the
first
major
step
of
the
Calvin cycle
,
making
it
one
of
the
most
important
enzymes
for
sustaining
life
on
Earth
.