National Center for Biotechnology Information (NCBI)The National Center for Biotechnology Information (NCBI) is a national resource for molecular biology information. The NCBI creates automated systems for storing and analyzing knowledge about molecular biology, biochemistry, and genetics.
If you want a tutorial on how to use the tools and research in NCBI, watch the NCBI YouTube Channel, which features a variety of tutorials on the use of NCBI's tools, including BLAST, a tool for aligning nucleotide and protein sequences.