A chemical reduces aerobic respiration in a muscle cell but does not affect anaerobic respiration. The cell still has a supply of glucose.
Which outcome is most likely?
lactic acid is produced and less energy is released per glucose molecule
ethanol is produced and more energy is released per glucose molecule
ethanol is produced and less energy is released per glucose molecule
lactic acid is produced and more energy is released per glucose molecule
42 exam-style questions on Edexcel GCSE Biology 8.3 Respiration, covering 8.3.1 Aerobic and anaerobic respiration. Each one has a worked solution and a mark scheme showing where the marks go.