Which one of the following statement is true regarding the DNA double helical structure?

Q. Which one of the following statement is true regarding the DNA double helical structure?

A.            The DNA double helix is coiled around a common axis know as the axis of symmetry

B.            The hydrophilic deoxyribose-phosphate backbone of each chain is on the outside.

C.            The hydrophobic nitrogen bases are stacked inside.

D.            All of the Above

Answer: All of the Above