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Date November 2016 Marks available 3 Reference code 16N.3.HL.TZ0.21
Level Higher level Paper Paper 3 Time zone TZ0 / no time zone
Command term Describe Question number 21 Adapted from N/A

Question

Describe how the liver regulates nutrient levels.

Markscheme

a. storage of glucose as glycogen
OR
breakdown of glycogen to glucose

Do not accept “sugar”.

b. deamination/breakdown of «excess» amino acids

c. storage/recycling of iron/copper

d. produces/eliminates cholesterol «as necessary»

e. storage of vitamin A/vitamin D/vitamin B12/vitamin K

Examiners report

[N/A]

Syllabus sections

Option D: Human physiology » Option D: Human physiology (Core topics) » D.3 Functions of the liver
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Option D: Human physiology » Option D: Human physiology (Core topics)
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