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Meaning of ACTIVE TRANSPORT
WordNet Dictionary
Definition:
[n]
transport
of
a
substance
(
as
a
protein
or
drug
)
across
a
cell
membrane
against
the
concentration
gradient
;
requires
an
expenditure
of
energy
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transport
Biology Dictionary
Definition:
Transport of ions, nutrients or other molecules into a cell against a concentration gradient; this requires the expenditure of energy through
ATP
hydrolysis
.
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