Small interfering RNAs (siRNAs) differ from miRNAs because they:

CpG islands are often located near:

Long non-coding RNAs can regulate gene expression by:

In the trp operon, tryptophan acts as a:

Centromeres are characterized by:

Which RNA is least abundant in cells?

The 2′ hydroxyl of ribose in RNA contributes to:

Topoisomerases are required to:

The hydrogen bonds in a GC base pair total:

Histone acetylation generally results in