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Questions and Answers
What is the primary purpose of BLAST?
What is the primary purpose of BLAST?
- Calculating statistical significance of matches
- Creating new DNA sequences
- Analyzing biological sequence data (correct)
- Studying gene expression levels
Who introduced the Basic Local Alignment Search Tool (BLAST)?
Who introduced the Basic Local Alignment Search Tool (BLAST)?
- Stephen Altschul (correct)
- Francis Crick
- James Watson
- Rosalind Franklin
What does BLAST help identify?
What does BLAST help identify?
- Locations of specific genes in the body
- Members of gene families (correct)
- Types of amino acids in protein structures
- Number of chromosomes in an organism
Why is BLAST considered a crucial tool in bioinformatics?
Why is BLAST considered a crucial tool in bioinformatics?
Which aspect has BLAST continuously updated for improvement?
Which aspect has BLAST continuously updated for improvement?
How many types of BLAST variants exist based on the type of sequence?
How many types of BLAST variants exist based on the type of sequence?
What type of comparison does BLASTN perform?
What type of comparison does BLASTN perform?
Which BLAST program compares a protein query sequence to a protein sequence database?
Which BLAST program compares a protein query sequence to a protein sequence database?
What does TBLASTN do when comparing a protein query sequence to a nucleotide sequence database?
What does TBLASTN do when comparing a protein query sequence to a nucleotide sequence database?
How is the expect value (E-value) used in BLAST searches?
How is the expect value (E-value) used in BLAST searches?
What does an E-value of 10e-10 < E-value < 10e-50 indicate in BLAST searches?
What does an E-value of 10e-10 < E-value < 10e-50 indicate in BLAST searches?
When does an E-value greater than 1 indicate in BLAST searches?
When does an E-value greater than 1 indicate in BLAST searches?
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