During a 30-minute kidney function investigation, a healthy adult produces 36 cm3 of urine. Measurements show that 99% of the water entering Bowman's capsules is reabsorbed.
Assume the urine volume equals the volume of filtered water that is not reabsorbed.
What volume of water entered Bowman's capsules during the investigation?
35.64 cm335.64\,\mathrm{cm^3}35.64cm3
3564 cm33564\,\mathrm{cm^3}3564cm3
3600 cm33600\,\mathrm{cm^3}3600cm3
360 cm3360\,\mathrm{cm^3}360cm3
94 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.