DP Biology (last assessment 2024)
Question 23M.2.HL.TZ2.2a
Date | May 2023 | Marks available | [Maximum mark: 1] | Reference code | 23M.2.HL.TZ2.2a |
Level | HL | Paper | 2 | Time zone | TZ2 |
Command term | Identify | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 1]
23M.2.HL.TZ2.2a
(a)
Arginine and ornithine are in the same group of biochemicals. Identify this group.
[1]
Markscheme
amino acids;
Examiners report
This question was answered well by many candidates, with correct use of terminology indicating "amino acids". However, some answers mentioned "proteins". Several candidates seemed to have confused what the term "group of biochemicals" represented, and gave responses related to carboxyl or amino groups.
