How to Use BLAST for Finding and Aligning DNA or Protein Sequences

How to Use BLAST for Finding and Aligning DNA or Protein Sequences

Assessment

Interactive Video

Science

1st - 6th Grade

Hard

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FREE Resource

This video tutorial introduces the BLAST tool from the NCBI website, explaining its use in genomic research to compare biological sequences. It covers navigating the BLAST website, using the query page, analyzing results, and creating phylogenetic trees. The tutorial also discusses local and global sequence alignments, providing a comprehensive guide to using BLAST for sequence analysis.

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4 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What information can you find in the description tab of the BLAST report?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you create a phylogenetic tree using BLAST results?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What steps do you need to follow to perform a multiple alignment search in BLAST?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the difference between local and global sequence alignment in BLAST?

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