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Question 18M.3.HL.TZ1.b

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Date May 2018 Marks available [Maximum mark: 3] Reference code 18M.3.HL.TZ1.b
Level HL Paper 3 Time zone TZ1
Command term Explain Question number b Adapted from N/A
b.
[Maximum mark: 3]
18M.3.HL.TZ1.b

Explain the breakdown of hemoglobin in the liver.

[3]

Markscheme

a. hemoglobin absorbed by phagocytes/Kupffer cells 

b. split into heme and globin 

c. globin hydrolysed/broken down to amino acids 

d. iron removed from heme group / heme broken down to form bilirubin/bile pigment