You will learn to use the following tools:
"ENTREZ" -- http://www.ncbi.nlm.nih.gov/Entrez/
"BLAST" -- http://www.ncbi.nlm.nih.gov/blast/
"Blast Homology Search"
"CLUSTAL W" -- http://www.ebi.ac.uk/clustalw
NEBcutter http://tools.neb.com/NEBcutter/index.php3