Active Transport - The Definitive Guide | Biology Dictionary
May 16, 2020 · Active transport is the process of transferring substances into, out of, and between cells, using energy. In some cases, the movement of substances can be accomplished by passive …
Active transport - Wikipedia
Unlike passive transport, which uses the kinetic energy and natural entropy of molecules moving down a gradient, active transport uses cellular energy to move them against a gradient, polar repulsion, or …
What Is Active Transport? Definition, Types, & Function
Aug 18, 2025 · Active transport involves moving molecules or ions across a cell membrane from an area of lower concentration to an area of higher concentration, a process that goes against the …
Active transport - Definition and Examples - Biology Online ...
May 5, 2022 · Active transport is a kind of cellular transport where substances move against a concentration gradient. This means that the direction is from an area of lower concentration to an …
Active Transport – Definition, Types, Functions and Diagram
Feb 2, 2023 · Active transport is an energy or ATP-dependent, cellular transport process that selectively moves substances from an area of low concentration to an area of high concentration or ‘against the …
Active Transport- Definition, Types, Process, Examples
Aug 3, 2023 · Active transport is the energy-driven transportation of ions, small molecules, and solutes across the biological membrane against an electrochemical gradient (for ions) or concentration …
ACTIVE TRANSPORT Definition & Meaning - Merriam-Webster
The meaning of ACTIVE TRANSPORT is the movement of a chemical substance by the expenditure of energy against a gradient in concentration or in electrical potential across a plasma membrane.