AQA GCSE Combined Science Trilogy · 8464
Specification 4.1.1.1, 4.1.1.2 · Paper 1
The boundary surrounding a cell's cytoplasm. In bacterial cells, it lies immediately inside the cell wall.
Revise: Eukaryotes and prokaryotesA cell has a boundary called the cell membrane, with cytoplasm inside it. Cytoplasm is the material in which many of the cell's chemical reactions take place. Cells also contain genetic material: DNA, which carries genetic information.
- Revise: Sub-cellular structures and their functions
The boundary around a cell that controls which substances enter and leave it.