Rosalind Franklin used which technique to determine many of the physical characteristics of DNA?
A) transformation
B) transmission electron microscopy
C) density-gradient centrifugation
D) X-ray diffraction
E) all of these

Question

Quizplus · Accepted Answer

Rosalind Franklin used X-ray diffraction to produce images of DNA that revealed its helical structure and other physical characteristics such as its diameter and the spacing of the nitrogenous bases. She did not use transformation, transmission electron microscopy, or density-gradient centrifugation to study DNA.

Rosalind Franklin Used Which Technique to Determine Many of the Physical