| Date | November 2015 | Marks available | 1 | Reference code | 15N.1.SL.TZ0.8 |
| Level | Standard level | Paper | Paper 1 | Time zone | TZ0 |
| Command term | Question number | 8 | Adapted from | N/A |
Question
The diagram shows a dinucleotide.
Which type of bond is identified by the arrow?
A. Phosphate
B. Hydrogen
C. Covalent
D. Peptide
Markscheme
C
Examiners report
There was a mistake in the diagram that will be corrected for publication but did not affect the answer. The 3’ end should not have a phosphate group.
