Secondary active transport does not use ATP directly. Instead, it harnesses the energy stored in an electrochemical gradient created by primary active transport.
Most people know about (diffusion), where substances flow downhill from high to low concentration without using energy. But what happens when a cell needs to move a substance against its concentration gradient—from low to high concentration? Secondary active transport does not use ATP directly
Imagine a dam on a river (the cell membrane). Secondary active transport does not use ATP directly
Both molecules move in the same direction. For example, the SGLT1 transporter moves glucose into cells alongside sodium ions. Secondary active transport does not use ATP directly