1.3.10

Transport in Cells

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Transport in Cells

The three main forms of transport in cells are:

Illustrative background for DiffusionIllustrative background for Diffusion ?? "content

Diffusion

  • Diffusion describes when there is a net movement of particles from an area where their concentration is higher to an area where their concentration is lower.
Illustrative background for OsmosisIllustrative background for Osmosis ?? "content

Osmosis

  • Osmosis is a specific type of diffusion in which only water molecules move.
  • Osmosis requires a partially permeable membrane.
Illustrative background for Active transportIllustrative background for Active transport ?? "content

Active transport

  • Active transport is the net movement of particles against a concentration gradient.
  • This means that energy is needed for active transport to happen.

Jump to other topics

1Cell Biology

1.1What's in Cells?

1.2Cell Division

1.3Transport in Cells

2Organisation

2.1Principles of Organisation

2.2Enzymes

2.3Circulatory System

2.4Non-Communicable Diseases

2.5Plant Tissues, Organs & Systems

3Infection & Response

4Bioenergetics

5Homeostasis & Response

5.1Homeostasis

5.2The Human Nervous System

5.3Hormonal Coordination in Humans

5.4Plant Hormones

6Inheritance, Variation & Evolution

6.1Reproduction

6.2Variation & Evolution

6.3Genetics & Evolution

6.4Classification

7Ecology

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