
Understanding BLAST and Nucleotide Analysis

Interactive Video
•
Biology, Computers, Science
•
10th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the focus of this video tutorial by Dr. NJ?
Comparison of different bioinformatics tools
Practical demonstration of BLAST
History of BLAST development
Theoretical aspects of BLAST
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which website do you need to visit to perform a BLAST search?
GenBank
PubMed
NCBI
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in performing a nucleotide BLAST?
Choose the database
Select the organism
Click on the graphic summary
Enter the accession number or FASTA sequence
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What can you do if you have a FASTA file for your query sequence?
Upload the file directly
Convert it to a different format
Email it to NCBI
Print it out for reference
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the 'query cover' in the BLAST results indicate?
The length of the query sequence
The percentage of the query sequence covered in the search
The number of databases searched
The time taken for the search
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the graphic summary, what do the red lines represent?
The query sequence
The database entries
The matched sequences
The unmatched sequences
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a 100% identity in the alignment section mean?
The query sequence is not found in the database
The query sequence matches the subject sequence exactly
The query sequence is completely different from the subject
The query sequence is partially similar to the subject
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