The fact that a purine base always paired through hydrogen bonds with a pyrimidine base leads to, in the DNA double helix

Options

A. the antiparallel nature
B. the semiconservative nature
C. uniform width throughout DNA
D. uniform length in all DNA

Answer

C

Explanation

the diameter of the strand is always constant due to a pairing of purine (adenine and guanine) and pyrimidine (cytosine and thymine ). This specific bonding gives uniform width to the DNA.