Bioinformatics Mcqs

Page No. 84

Knowing ________ should be enough to find the required entry quickly.


apublication date, protein name, journal name

✖


baccession number, protein name, or name of gene

✓


cpublication date, protein name, or volume

✖


dproperties, protein name, or title word

✖



The results of searches in separate fields may be combined to narrow down the choices.


aTrue

✓


bFalse

✖


ceither true and false

✖


dmentioned

✖


View Answer True

For a protein search, which of the following is the wrong choice for fields?


aAccession (number)

✖


bE. C. number

✖


cIssue

✖


dJournal number

✓


View Answer Journal number

To assist in finding suitable terms, for each field, ENTREZ provides a list of index entries.


aTrue

✓


bFalse

✖


ceither true and false

✖


dnone of the mentioned

✖


View Answer True

Using boolean logic, the search looks for database entries that include the first term __________ the second, and subsequent terms repeated until the last term.


aAND

✓


bOR

✖


cExOR

✖


dNAND

✖


View Answer AND

The databases Genbank, EMBL and DDBJ are updated daily.


aTrue

✓


bFalse

✖


ceither true and fase

✖


dnone of the mentioned

✖


View Answer True

Which of the following is incorrect about ENTREZ?


aIt is a resource prepared only by the staff of the National Center for Biotechnology Information

✓


b It provides a series of forms that can be filled out to retrieve a Medline reference related to the molecular biology sequence databases

✖


cOne straightforward way to access the sequence databases is through ENTREZ

✖


dIt provides a series of forms that can be filled out to retrieve a DNA or protein sequence

✖



In examining the results of analysis, it is important to look for the method used the statistical significance of the result, and the overall degree of confidence in the alignments.


aTrue

✓


b False

✖


ceither ture of false

✖


dnone of these

✖


View Answer True

Which of the given is wrongly matched?


aEscherichia coli – Bacteria

✖


bMethanococcus jannaschii – Archaea

✖


cSynechocystis sp. – Archaea

✓


d Aquifex aeolicus – Bacteria

✖



A simple way to retrieve sequences of viral and other extra-chromosomal genetic elements such as organelles is through the National Center for Biotechnology Information (NCBI).


a True

✓


bFalse

✖


ceither ture and false

✖


dnone of these

✖


View Answer True

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