Q. Consider the following statements for the formation of the base pairs A-T and CG in DNA.
1.The number of maximum hydrogen bonds are formed in each pair.
2.The sizes of the two bases in each pair are similar.
3.Equal number of –OH groups are present in each base of the two pairs.
4.The charges present on each base of the two pairs are equal and opposite.
5. The spatial orientation of the bases in each pair is ideally complementary.
The correct statement(s) is/are: