White blood cells are transferred to a solution with the same solute concentration as their cell contents. Which statement describes the movement of water and the effect on the cells?
Water enters and leaves at equal rates, so the cells remain the same size.
Water stops crossing the membrane, so the cells remain the same size.
Solute enters the cells by osmosis, so the cells become larger.
Water leaves the cells by active transport, so the cells become smaller.
140 exam-style questions on AQA GCSE Biology 1.3 Transport in cells, covering 1.3.1 Diffusion, 1.3.2 Osmosis, and 1.3.3 Active transport. Each one has a worked solution and a mark scheme showing where the marks go.