The chapter is about the basic of bioinformatics and explaining what the book will teach you. Bioinformatics is mainly the convergence of two trends in biological research: storage of molecular sequences in computer databases and application of computational algorithms to the analysis of DNA and protein sequences. Bioinformatics is integrating many scientific fields, and a major task of the “information” part of bioinformatics relates to the understanding and translation of terms and concepts between these scientific fields. It all starts with biological problems to be solved. One reason for the success of bioinformatics has been that we are able to model evolution and test homology. The majority of the best computer programs for bioinformatics are noncommercial in the way that they are free to use for nonprofit purposes. Many bioinformatics tools can be used for free on servers which can be accessed through the Internet. The same holds true for the databases, and a good Internet connection is mandatory.
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