Why Was the X-Ray Diffraction Photography of Rosalind Franklin and Maurice

Multiple Choice

Why was the X-ray diffraction photography of Rosalind Franklin and Maurice Wilkins considered critical evidence in the study of DNA?

A) The photographs indicated that DNA has a double helix structure.
B) The photographs showed equal numbers of purines and pyrimidines.
C) The photographs showed the bases of DNA were held together by hydrogen bonds.
D) The photographs revealed the structure of the deoxyribose sugar.
E) The photographs showed the location of each adenine,guanine,cytosine,and thymine.