DP Biology (last assessment 2024)
Question 18M.3.HL.TZ1.b
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
