A person's thyroid gland is removed and they are given the same fixed dose of thyroxine in a tablet every day. Which effect will this treatment be unable to produce?
An increase in the rate of chemical reactions taking place in body cells
A basal metabolic rate that is high enough for normal daily activity
A rise in thyroxine release when the level in the blood falls too low
The stimulation of protein synthesis for growth and development
39 exam-style questions on AQA GCSE Biology 5.3 Hormonal coordination in humans, covering 5.3.1 Human endocrine system, 5.3.2 Control of blood glucose concentration, 5.3.3 Maintaining water and nitrogen balance in the body, 5.3.4 Hormones in human reproduction, 5.3.5 Contraception, 5.3.6 The use of hormones to treat infertility (HT only), and 5.3.7 Negative feedback (HT only). Each one has a worked solution and a mark scheme showing where the marks go.