Which Pair of Characteristics of RNA Enables It to Take

Multiple Choice

Which pair of characteristics of RNA enables it to take on different shapes that allow it to bind to diverse substances in solution and speed up chemical reactions?

A) Its single-stranded structure and complementary base pairs
B) Its pentose sugars and phosphate groups
C) Its linear structure and repeating phosphodiester bonds
D) Its capacity for forming hydrogen bonds and its hydrophilic nature
E) Its hydroxyl groups bound to sugar residues and its ability to hydrolyze into nucleotide monomers