Access to sequence and literature databases -- Pairwise sequence alignment -- Basic Local Alignment Search Tool (BLAST) -- Advanced BLAST searching -- Genome-wide analysis of gene expression -- Gene expression: microarrays -- Protein analysis and proteomics -- Protein structure -- Multiple sequence alignment -- Molecular phylogeny -- Completed genomes and the tree of life -- Completed genomes: viruses -- Completed genomes: bacteria and archaea -- Eukaryotic genomes: fungi -- Eukaryotic genomes: from parasites to primates -- The human genome -- Human disease.