A cell that carries out a large amount of active transport is likely to contain many of which sub-cellular structure?
Mitochondria, which release energy for the cell
Ribosomes, which are the site of protein synthesis
Chloroplasts, which absorb light for photosynthesis
Vacuoles, which store cell sap inside the cell
58 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.