| Date | November 2012 | Marks available | 1 | Reference code | 12N.1.SL.TZ0.9 |
| Level | Standard level | Paper | Paper 1 | Time zone | TZ0 |
| Command term | Question number | 9 | Adapted from | N/A |
Question
The diagram shows part of a DNA molecule.
What type of bond does X represent?
A. Covalent bond
B. Hydrogen bond
C. Peptide bond
D. Semi-conservative bond
Markscheme
A
Examiners report
N/A
Syllabus sections
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