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Question 18N.3.HL.TZ0.b

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Date November 2018 Marks available [Maximum mark: 3] Reference code 18N.3.HL.TZ0.b
Level HL Paper 3 Time zone TZ0
Command term Explain Question number b Adapted from N/A
b.
[Maximum mark: 3]
18N.3.HL.TZ0.b

The diagram shows the emulsion and absorption of a fat globule in the gut.

Explain how components of bile are produced by the liver.

[3]

Markscheme

a. hemoglobin «from red blood cells» broken down into heme and globin ✔

b. iron removed from heme ✔

c. «remainder of» heme group transformed to bilirubin ✔

d. «surplus» cholesterol is converted to bile salts ✔

e. bilirubin and bile salts form bile ✔

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