Key term for Edexcel GCSE Biology, used in Exchange Surfaces.
The distance over which diffusion must occur, forming the denominator in Fick's Law.
Thickness of membrane appears in Edexcel GCSE Biology revision content for Exchange and Transport in Animals, especially Exchange Surfaces and Fick's Law.
Create a free account to access Edexcel GCSE Biology revision notes, track progress, and practise related key terms.