Primary Active Transport (EXTENDED | Review)

That energy didn't heat the place up or light a bulb. It did something far stranger: it twisted Pump-O’s very soul.

The sodiums would sneer. “You can’t force us out! The concentration gradient is against you! It’s unnatural!” primary active transport

The sodiums outside would shake their tiny fists. “You’ll run out of ATP soon, old man! Then we’ll flood back in!” That energy didn't heat the place up or light a bulb

Another twist—this time, the phosphate group that had been stuck to Pump-O fell off, and the protein relaxed back to its original shape. The two potassium ions were dumped, grateful and warm, into the crowded cytoplasm. grateful and warm

Every morning, he’d crack his conformational knuckles and grumble, “Alright, you bums. You know the rules. Three out, two in. Against the gradient. Again .”