You have discovered a protein that transports Ca²⁺ up a concentration gradient, from the cytoplasm into the endoplasmic reticulum. No other ions move during this transport. What type of transport protein does this appear to be?

Question

Quizplus · Accepted Answer

This protein is a primary active uniporter because it transports a specific ion up its concentration gradient, which requires energy, typically in the form of ATP hydrolysis, distinguishing it from passive transport mechanisms.

You Have Discovered a Protein That Transports Ca2+ Up a Concentration

You Have Discovered a Protein That Transports Ca²⁺ Up a Concentration