BLAST, which stands for Basic Local Alignment Search Tool, is a bioinformatics protocol used to compare biological sequences, such as nucleotide or protein sequences. The tool is designed to identify regions of similarity between sequences, which can provide insights into the functional and evolutionary relationships among genes and proteins. Here’s a brief overview of how BLAST works: 1. **Query Sequence**: A user inputs a query sequence, which can be DNA, RNA, or protein.
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