Determine whether each statement is True or False 1. E-value is defined as the n
ID: 213606 • Letter: D
Question
Determine whether each statement is True or False
1. E-value is defined as the number of hits provided to the users in BLAST search.
2.T-coffee is a consistency-based multiple sequence alignment program that aims to maximize the alignment or agreement of two sequences using an intermediate sequence.
Multple choice
3.Which of the following is part of a GenBank record?
a.header
b.Feature keys
c. nucleotide sequence
d.All of the above
e.None of the above
4.This is the number of high-scoring segment pairs with a similarity score at least S that exists in the database by random chance
a. Bit score
b.E-value
c.dentity score
d.Window size
Explanation / Answer
answer question 1 : TRUE , E-value can be defined as the no. of hits one can expect to see by chance, when one searching for a database of a particular size in BLAST.
answer to question 2 : TRUE : AS the full form of T-coffee says Tree based Consistency Objective Function For alignmEnt Evaluation.it iis a new approach where results from various other methods can be analyzed together and can combine or align sequences.
answer to question 3. CORRECT OPTION IS d) all of the above .
in genbank . there is a header section on genbank
there is also a "feature "page where one can select features for their sequences.
genbank is an open access to all available nucleotide sequences .
answer to question 4.: correct option is E-value , Evalue is the no. of HSP in the database .
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