What was one of the pieces of evidence most critical to the discovery of DNA structure?
A)its composition of four different nucleotides
B)its mode of replication
C)an X-ray diffraction pattern suggesting a double helix shape
D)the backbone containing sugar-phosphate linkages
E)the covalent bonding between different nucleotides

Question

Quizplus · Accepted Answer

The X-ray diffraction pattern suggested a double helix shape, which was critical to the discovery of DNA structure. This pattern was captured by Rosalind Franklin, and it provided the last piece of information necessary for James Watson and Francis Crick to propose their model of DNA's structure.

What Was One of the Pieces of Evidence Most Critical