GCSE level School biology notes: Explaining diffusion, osmosis, transport, active transport

SITEMAP *  HOME PAGE * SEARCH * UK KS3 level Science Quizzes for students aged ~13-14

UK GCSE level BiologyChemistryPhysics ~14-16 * Advanced pre-university Chemistry ~16-18

Movement of substances in living systems - introduction to diffusion, Fick's Law, osmosis, transport and active transport

Doc Brown's GCSE level biology exam revision study notes

See also Surface exchange of substances in animal organisms

and Transport systems in plants

Sub-index for this section on transport of substances in living organisms

(1) Introduction to diffusion and demonstration experiments and its importance in biology

(2) A particle model and factors affecting the rate of diffusion and Fick's Law of diffusion

(3) The action of partially permeable cell membranes - selective diffusion and examples

(4) Osmosis - examples and explanation

(5) Some details of examples of osmotic action in individual animal or plant cell types

(6) Osmosis experiments - demonstrations of osmotic action

(7) Active transport - explanation of why needed and examples explained

(8) A quick comparison of diffusion, osmosis and active transport

See also on other pages:

Detailed notes on transport systems in plants

The human circulatory systems

Examples of surfaces for the exchange of substances in animal organisms

Enzymes - section on human digestion, metabolism and synthesis


TOP OF PAGE and sub-index for this page


WHERE NEXT?

ALL my Biology Notes

Find your GCSE science course for more help links to revision notes

Use your mobile phone or ipad etc. in 'landscape' mode

This is a BIG website, you need to take time to explore it [Website Search Box]

email doc brown - comments - query?

HOME PAGE of Doc Brown's Science

Basic Science Quizzes for UK KS3 science students aged ~12-14, ~US grades 6-8

BiologyChemistryPhysics for UK GCSE level students aged ~14-16, ~US grades 9-10

Advanced Level Chemistry for pre-university age ~16-18 ~US grades 11-12, K12 Honors

TOP OF PAGE and sub-index for this page


 SITEMAP Website content © Dr Phil Brown 2000+. All copyrights reserved on Doc Brown's biology revision notes, images, quizzes, worksheets etc. Copying of website material is NOT permitted. Exam revision summaries and references to science course specifications are unofficial.

Using SEARCH some initial results may be ad links you can ignore - look for docbrown

TOP OF PAGE and sub-index for this section