Each of the Following Statements Concerning DNA Structure Is True

Multiple Choice

Each of the following statements concerning DNA structure is true EXCEPT which one?

A) [A] + [T] = [G] + [C] in normal double stranded DNA.
B) [A] + [G] = [T] + [C] in normal double stranded DNA.
C) [Purines] = [pyrimidines] in normal double stranded DNA.
D) the specificity of base pairing is due to the arrangement of H-bonds found between bases and the dimensions of the base pairs.
E) the 5 position on thymine bears a methyl group.