Information relating to the genetic structure of sequences of bases.
A critical or explanatory commentary or analysis.
Metadata added to a document or program.
A comment added to a text.
The process of writing such comment or commentary.
A set of labels applied to the various objects in a system.
The introduction of a traceable chemical group (e.g., containing an isotope or a fluorescent dye) into a protein or other biomolecule of interest so it can be tracked or quantified during experimental analysis.