Liver cells from the same person are divided into equal samples. Sample P receives insulin, sample Q receives glucagon and sample R receives neither hormone. Glucose and glycogen are available in all samples.
Which change is expected compared with R?
P stores more glycogen and Q releases less glucose
P stores less glycogen and Q releases more glucose
P stores more glycogen and Q releases more glucose
P stores less glycogen and Q releases less glucose
45 exam-style questions on Edexcel GCSE Biology 7.4 Blood glucose and the urinary system, covering 7.4.1 Insulin and blood glucose control, 7.4.2 Glucagon and blood glucose regulation, 7.4.3 Type 1 and type 2 diabetes, 7.4.4 Structure of the urinary system, 7.4.5 Structure and function of the nephron, 7.4.6 ADH and water regulation, 7.4.7 Treatments for kidney failure, and 7.4.8 Production of urea in the liver. Each one has a worked solution and a mark scheme showing where the marks go.