Using a microscope, a researcher records that a protist cell with a real width of 24 μm24\ \mu\text{m}24 μm is magnified to a width of 72 mm.
Calculate the magnification produced by the microscope.
Show your working.
282 exam-style questions on AQA GCSE Biology 1.1 Cell structure, covering 1.1.1 Eukaryotes and prokaryotes, 1.1.2 Animal and plant cells, 1.1.3 Cell specialisation, 1.1.4 Cell differentiation, 1.1.5 Microscopy, and 1.1.6 Culturing microorganisms. Each one has a worked solution and a mark scheme showing where the marks go.