Which statement about the structure or composition of DNA is FALSE?
A)DNA is a double helix.
B)Complementary base-pairing occurs between pyrimidine and purine bases.
C)The amount of thymine closely approximates that of guanine within a particular organism.
D)Each nucleotide within a DNA is separated by about 0.34 angstroms.
E)Adenine pairs with thymine and guanine with cytosinE.

Question

Quizplus · Accepted Answer

The amount of thymine does not necessarily have to closely approximate that of guanine within a particular organism. In some cases, the amount of adenine may be equal to that of thymine, while the amount of guanine may be equal to that of cytosine. This is known as Chargaff's rule.

Which Statement About the Structure or Composition of DNA Is