DP Biology (last assessment 2024)
Question 19M.1.HL.TZ1.26
Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.1.HL.TZ1.26 |
Level | HL | Paper | 1 | Time zone | TZ1 |
Command term | Deduce | Question number | 26 | Adapted from | N/A |
26.
[Maximum mark: 1]
19M.1.HL.TZ1.26
What contribution did the X-ray diffraction conducted by Rosalind Franklin make to our understanding of DNA?
A. It identified DNA as the genetic material.
B. It indicated the helical shape of the molecule.
C. It showed that the DNA of eukaryotes was associated with histone proteins.
D. It showed that replication was a semi-conservative process.
[1]
Markscheme
B
