Membrane
Revision as of 14:50, 4 November 2018 by NRJC (talk | contribs) (Created page with "==Key Stage 4== ===Meaning=== A membrane is a layer which encloses a cell or certain organelles including mitochondria, chloroplasts and the...")
Key Stage 4
Meaning
A membrane is a layer which encloses a cell or certain organelles including mitochondria, chloroplasts and the nucleus.