| Date | November 2013 | Marks available | 1 | Reference code | 13N.1.HL.TZ0.24 |
| Level | Higher level | Paper | Paper 1 | Time zone | TZ0 |
| Command term | Question number | 24 | Adapted from | N/A |
Question
The diagram below shows the changes in membrane potential during an action potential.
What best describes events indicated by the label X?
Markscheme
D
Examiners report
[N/A]
Syllabus sections
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