| Date | May 2017 | Marks available | 1 | Reference code | 17M.1.HL.TZ1.27 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 27 | Adapted from | N/A |
Question
The diagram shows how pre-mRNA is processed into mature mRNA. Which structures are indicated by the letters W and X?
Markscheme
D
Examiners report
[N/A]
