1. What is Secondary Active Transport? Secondary active transport is a form of membrane transport that moves a solute against its concentration gradient (from low to high concentration) by coupling its movement to the downhill movement of a second solute (usually sodium or hydrogen ions).
1. What is Secondary Active Transport? Secondary active transport is a form of membrane transport that moves a solute against its concentration gradient (from low to high concentration) by coupling its movement to the downhill movement of a second solute (usually sodium or hydrogen ions).