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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