Define Active Transport Hot!

Because life requires imbalance. A dead cell is in equilibrium—everything is evenly spread out. A living cell is a far-from-equilibrium system. Here is what active transport allows us to do:

This uses chemical energy (ATP) directly to move molecules. The most famous example is the Sodium-Potassium Pump , which maintains the electrical gradient in our nerve cells. define active transport

For molecules too large to fit through protein pumps (like proteins, bacteria, or polysaccharides), the membrane itself moves. Because life requires imbalance

Without active transport, complex life simply couldn't exist. Here are a few ways it keeps us running: Here is what active transport allows us to

Imagine a salmon fighting its way upstream, leaping against a raging current. It expends enormous energy to move in a direction nature did not intend. Inside every cell of your body, a similar drama unfolds on a microscopic scale.

Active transport relies on specialized proteins embedded in the cell membrane. These are often called or carrier proteins .