Process
Active Membrane Transport
Active Membrane Transport
Transport that moves substances against a gradient by coupling movement to an energy source.
Overview
EXPLORE BY LEVELA cell sometimes moves a molecule toward a place where that molecule is already more concentrated. A pump can do this by using energy directly or by coupling it to another gradient.
Quick Facts
AT A GLANCEExplore nextCell biology
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Recommended Reading
Trusted references for learning more about Active Membrane Transport.
Research Claims
Transport thermodynamics depend on stoichiometry, membrane voltage, concentration gradients, and coupling efficiency. A transporter can reverse direction under altered conditions.