Yeast is used in bread making because it respire anaerobically in the dough. Which pair of products does the yeast make?
[1]
A
lactic acid and water
B
ethanol and lactic acid
C
ethanol and carbon dioxide
D
lactic acid and carbon dioxide
Markscheme
4.2 Respiration Questions
51 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.