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Active
(redirected from active transport)

    Also found in: Dictionary/thesaurus, Medical, Financial, Encyclopedia, Wikipedia, Hutchinson 0.32 sec.

ACTIVE. The opposite, of passive. We say active debts, or debts due to us; passive debts are those we owe.
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? References in periodicals archive
This finding was consistent with an active transport mechanism across the placenta.
Transplacental chikungunya virus antibody kinetics, Thailand by Nisalak, Ananda / Emerging Infectious Diseases
Others have suggested that nitrate or the reduced form (nitrite) may pass to the fetus through a system of active transport similar to that of iodide, and fetal nitrate plasma levels may exceed that of the mother (Hartman 1982).
A review of nitrates in drinking water: maternal exposure and adverse ... by Moll, Deborah M. / Environmental Health Perspectives
Interestingly, from a separate questionnaire sent home for parents to complete, the majority of parents (77%) stated they either walked or cycled to school themselves as 10-year-olds, indicating a substantial decrease in active transport in only one generation.
Barriers to physical activity in young New Zealanders by Ross, Jenny J. / Youth Studies Australia
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