Which Is a Structural Feature Shared by DNA, RNA, and Proteins

Multiple Choice

Which is a structural feature shared by DNA, RNA, and proteins?

A) The order of monomers is important for function.
B) Each sequence of monomers folds into a different three-dimensional shape.
C) Each molecule is a polymer of four different nucleotides.
D) Two strands of monomers are connected by hydrogen bonding.