Which statement is NOT true of all naturally occurring DNA?
A) Deoxyribose units are connected by 3',5'-phosphodiester bonds.
B) The amount of A always equals the amount of T.
C) The ratio A+T/G+C is constant for all natural DNAs.
D) The two complementary strands are antiparallel.
E) Two hydrogen bonds form between A and T.

Question

Quizplus · Accepted Answer

The statement that the ratio of A+T/G+C is constant for all natural DNAs is not true. This ratio varies among different organisms and is not a constant feature of DNA.

Which Statement Is NOT True of All Naturally Occurring DNA