From DNA X-Ray Diffraction Data, It Was Determined That _____

Multiple Choice

From DNA X-ray diffraction data, it was determined that _____.

A) the amount of adenine equaled the amount of thymine
B) different species have different proportions of adenine and guanine
C) nitrogen-containing bases were arranged on the outside of the double helix structure
D) the shape of the molecule could be a double helix
E) the backbone of the double helix was held together by hydrogen bonds