What Active Transport Link Jun 2026

Active transport is a vital biological process where cells move molecules or ions —from an area of lower concentration to an area of higher concentration . Because this movement is "uphill," it requires an input of metabolic energy, typically in the form of Adenosine Triphosphate (ATP) . Core Mechanisms and Types

Instead of using ATP directly, this type uses the electrochemical gradient created by primary active transport as its energy source. For instance, sodium ions flowing back into a cell down their gradient can "pull" glucose or amino acids along with them against their own gradients. Types of Transport Proteins what active transport