What Are The Two Major Types Of Active Transport Better -

Ever tried to roll a ball uphill? It takes effort. In the microscopic world of your cells, moving substances against their natural flow (from low to high concentration) is just as tough. That’s where active transport comes in.

Unlike passive transport (think diffusion or osmosis, where things just "flow" downhill), active transport requires —specifically, ATP (the cellular currency). what are the two major types of active transport

In primary active transport, the cell uses energy from ATP to change the shape of a protein pump. This physical shove moves molecules across the membrane, often against their gradient. Ever tried to roll a ball uphill