With no explanation, label each line with "O", "other-chemicalthing", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
As
NADH
is
still
needed
for
anabolic
reactions
,
these
bacteria
use
a
nitrite
oxidoreductase
to
produce
enough
proton-motive
force
to
run
part
of
the
electron
transport
chain
in
reverse
,
generating
NADH
.
As:O
NADH:other-chemicalthing
is:O
still:O
needed:O
for:O
anabolic:O
reactions:O
,:O
these:O
bacteria:O
use:O
a:O
nitrite:O
oxidoreductase:O
to:O
produce:O
enough:O
proton-motive:O
force:O
to:O
run:O
part:O
of:O
the:O
electron:O
transport:O
chain:O
in:O
reverse:O
,:O
generating:O
NADH:other-chemicalthing
.:O