How Can Only Four Nucleotides Account for the Extreme Diversity

Multiple Choice

How can only four nucleotides account for the extreme diversity of traits observed in living organisms?

A) The biochemical structure of nucleotides differs between cell types.
B) The nucleotides can base pair with any other nucleotide.
C) Nucleotides are arranged in many different sequences.
D) Different proteins can be encoded from the same DNA sequence.
E) Complex organisms have more than four types of nucleotides.