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