Four cell cultures are supplied with glucose. The cultures contain either plant cells or muscle cells and are kept either with oxygen or without oxygen. Which culture will produce ethanol and carbon dioxide?
muscle cells kept without oxygen
plant cells kept with oxygen
muscle cells kept with oxygen
plant cells kept without oxygen
92 exam-style questions on AQA GCSE Biology 4.2 Respiration, covering 4.2.1 Aerobic and anaerobic respiration, 4.2.2 Response to exercise, and 4.2.3 Metabolism. Each one has a worked solution and a mark scheme showing where the marks go.