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5.3 Hormonal coordination in humans

5.3 Hormonal coordination in humans

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Question 12
H

After eating a high-protein meal, excess amino acids are processed for safe excretion. Which sequence is correct?

[1]
A

Kidneys deaminate amino acids; toxic urea forms; the liver converts it to ammonia.

B

Liver deaminates amino acids; toxic ammonia forms; it is converted to urea.

C

Pancreas deaminates amino acids; toxic urea forms; kidneys convert it to ammonia.

D

Liver deaminates amino acids; toxic glycogen forms; it is converted to ammonia.

Markscheme

5.3 Hormonal coordination in humans Questions

  1. GCSE
  2. /Biology
  3. /5.3 Hormonal coordination in humans

62 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.

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