A person eats a meal containing protein. A day later, some of the amino acids from that meal are found in new muscle protein. Which sequence describes what happened to the protein in the meal?
Protease acted on it, amino acids were respired, new protein was built
Protease acted on it, amino acids were absorbed, new protein was built
Amylase acted on it, amino acids were absorbed, new protein was built
Amino acids were absorbed, protease acted on them, new protein was built
179 exam-style questions on AQA GCSE Biology 2.2 Animal tissues, organs and organ systems, covering 2.2.1 The human digestive system, 2.2.2 The heart and blood vessels, 2.2.3 Blood, 2.2.4 Coronary heart disease: a non-communicable disease, 2.2.5 Health issues, 2.2.6 The effect of lifestyle on some non-communicable diseases, and 2.2.7 Cancer. Each one has a worked solution and a mark scheme showing where the marks go.