Complementary Base Pairing Between Strands of Nucleic Acids Is Limited

question 112

Multiple Choice

Complementary base pairing between strands of nucleic acids is limited to particular pairings because of

• A) the relative sizes and shapes of purines and pyrimidines.
• B) the alternating sugar-phosphate groups.
• C) evolutionary relationships.
• D) the differences found between RNA and DNA.
• E) the diversity found in DNA molecules.