DP Biology (last assessment 2024)
Question 17N.3.HL.TZ0.22a
| Date | November 2017 | Marks available | [Maximum mark: 1] | Reference code | 17N.3.HL.TZ0.22a |
| Level | HL | Paper | 3 | Time zone | TZ0 |
| Command term | Identify | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 1]
17N.3.HL.TZ0.22a
The micrograph shows a section of cardiac muscle.
[Source: Musculocardiaco by Goyitrina (https://commons.wikimedia.org/wiki/File:Musculocardiaco.jpg)]
(a)
Identify the structure labelled X.
[1]
Markscheme
intercalated disc
