Bioinformatics and the Internet, Overview of Molecular Biology and Biological Chemistry,The Genetic Material, Gene Structure and Information Content,Protein Structure and Function, Bioinformatics tools,The NCBI Data Model,The GenBank sequence database,DNA sequencing,Editing DNA sequences,Submitting DNA sequences to the Database,Sequence Retrieval from Biological Databases ( NCBI, EMBL, ExPasy),Sequence similarity searches ( BLAST, FASTA, EMBL databases),Sequence Alignment ( CLUSTAL X, Genedoc, Bioedit) Phylogenetic Analysis.