Define Active Transport -

Active transport is the energy-dependent movement of molecules from a low-concentration area to a high-concentration area, facilitated by protein pumps that work against the natural tendency toward equilibrium.

is the movement of molecules or ions across a cell membrane against their concentration gradient—from an area of lower concentration to an area of higher concentration. define active transport

The cell membrane is a formidable barrier. It is a double layer of lipids (fats) that repels water and most dissolved substances. To get through, molecules must use protein doorways. define active transport

In your gut, active transport allows your body to soak up every bit of glucose and amino acids from your food, even when your blood already has plenty. define active transport