Which of the following is true about the structure of DNA? A. Hydrogen bonds form between the phosphate groups while the sugar and nitrogen bases form the backbone of the double helix
B. Hydrogen bonds form between the nitrogen bases while the sugar and phosphate groups form the backbone of the double helix
C. The sugar and phosphate groups form the rungs of the ladder with nitrogen bonded together by hydrogen bonds forms the rails
D. Nitrogen bases form the backbone of the double helix, while hydrogen bonds between the sugar and phosphate groups form the ladder