A brewing technician is monitoring the enzymatic hydrolysis of starch during the mashing process of malted barley.
Describe the chemical tests the technician would use to show that:
Starch is still present in the mash mixture.
Maltose (a reducing sugar) has been produced. Include any key procedural steps.
44 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.