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  1. Active Transport - The Definitive Guide | Biology Dictionary

    May 16, 2020 · Active transport moves substances from a region of lower concentration to a higher concentration, i.e., against the concentration gradient. There is an energy requirement …

  2. 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 …

  3. 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 …

  4. Active and Passive Transport – Overview and Differences

    Mar 19, 2022 · Active transport moves ions and molecule against the concentration gradient (from lower to higher concentration), while passive transport moves chemicals from higher to lower …

  5. Active transport: primary & secondary overview (article) - Khan Academy

    In active transport, unlike passive transport, the cell expends energy (for example, in the form of ATP) to move a substance against its concentration gradient.

  6. Active transport - Wikipedia

    In cellular biology, active transport is the movement of molecules or ions across a cell membrane from a region of lower concentration to a region of higher concentration —against the …

  7. Active transport - Definition and Examples - Biology Online

    May 5, 2022 · Active transport is a type of cellular transport in which substances (e.g. ions, glucose, and amino acids) are transported across a biological membrane towards the region …

  8. Active transport - Transport in cells - AQA - GCSE Biology …

    Active transport is a process that is required to move molecules against a concentration gradient.The process requires energy. For plants to take up mineral ions, ions are moved into …

  9. Active Transport - GeeksforGeeks

    Jul 23, 2025 · Active transport is a cellular process that uses energy to move molecules or ions from a region of lower concentration to a region of higher concentration against their …

  10. Physiology, Active Transport - StatPearls - NCBI Bookshelf

    Sep 12, 2022 · Active transport is an energy-driven process where membrane proteins transport molecules across cells, mainly classified as primary or secondary, based on how energy is …