| Date | May 2018 | Marks available | 1 | Reference code | 18M.1.HL.TZ1.26 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 26 | Adapted from | N/A |
Question
Which information about DNA structure was deduced from the X-ray diffraction patterns obtained by Rosalind Franklin?
A. Presence of purines and pyrimidines
B. Helical shape
C. Antiparallel strand arrangement
D. Deoxyribose backbone
Markscheme
B
Examiners report
[N/A]
