How are complementary base pairs joined in a DNA double helix ?
The base pairs are joined together by hydrogen bonds. Complementary base pairing always takes place between a purine and a pyrimidine base.
(2) A always pairs with T, G always pair with C.
(3) A-T pair has two hydrogen bonds, whereas G-C pair has three hydorgen bonds.
Complementary base pairing of DNA
116 Views