After a meal, a liver cell joins 60 000 glucose molecules to make 12 glycogen molecules of equal size.
Calculate the total number of molecules of water released when the 12 glycogen molecules are made.
Explain why the rate of cellular respiration in the liver cell may increase while the glycogen is being made.
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.