Since Diffusion Is Defined as the Random Movement of Molecules

question 96

Essay

Since diffusion is defined as the random movement of molecules, how can this random movement result in the net movement of ions across a membrane?

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Definitions:

Hypothesis

A statement that attempts to predict or to account for a set of phenomena; scientific hypotheses specify relationships among events or variables and are empirically tested.

Axiom

A statement or proposition that is regarded as being established, accepted, or self-evidently true.

Corollary

A proposition that follows from one already proven, often seen as a natural consequence or result.

Theory

A system of ideas intended to explain something, based on general principles independent of the thing to be explained.