In DNA double helix, the two DNA chains are held together by
A. covalent bonds between the pair of bases
B. hydrogen bonds between the pair of bases
C. ionic bonds between the pair of bases
D. none of the above
Answer:B
In DNA double helix, the two DNA chains are held together by
A. covalent bonds between the pair of bases B. hydrogen bonds between the pair of bases C. ionic bonds between the pair of bases D. none of the above