Glossary · term

Membrane

Biology

Aliases
membranes
Domain
Biology

Definition

A thin barrier that passes some things and stops others — the lipid bilayer around a cell, the proton-exchange film in a fuel cell. Both work by being selective, and both store energy as a gradient across themselves.

Open on the Glossary shelf — the interactive card, the filters, and everything alongside it.

From the Glossary database in Notion, last edited 2026-08-25. This page is the row, rendered by the build; nothing on it is written by hand.