Bioinformatics Mcqs

Page No. 83

Each DNA or protein sequence database entry has much information, including ______


aan assigned accession number(s)

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b source organism

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c name of locus

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d reference number type(s)

✓


View Answer reference number type(s)

The FASTA format is readily converted into other formats and also is smaller and simpler.


aTrue

✓


bFalse

✖


ceither true and false

✖


dnone of these

✖


View Answer True

The Common Object Request Broker Architecture (CORBA) is the Object Management Group’s interface for objects.


aTrue

✓


bFalse

✖


ceither ture and false

✖


dnone of these

✖


View Answer True

The “from” programs convert sequence files from GCG format into the named format, and the “to” programs convert the alternative format into GCG format.


aTrue

✓


bFalse

✖


ceither true and false

✖


dnone of the mentioned

✖


View Answer True

Data files that have multiple sequences, such as those required for multiple sequence alignment and phylogenetic analysis using parsimony (PAUP), are not converted in READSEQ.


aTrue

✓


bFalse

✖


ceither true and false

✖


dnone of the mentioned

✖


View Answer True

Which of the given statements is incorrect about READSEQ?


aIt is an extremely useful sequence formatting program developed by D. G. Gilbert at Indiana University, Bloomington

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bIt was developed at Indiana University, Bloomington

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cIt can recognize a DNA or protein sequence file in any of the formats

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dIt can recognize a DNA or protein sequence file in some particular formats

✓


View Answer It can recognize a DNA or protein sequence file in some particular formats

BL contains information about the block: xxx is the amino acids in the spaced triplet found by MOTIF upon which the block is based.


aTrue

✓


bFalse

✖


ceither true and false

✖


dnone of the mentioned

✖


View Answer True

which of the given statements is incorrect about Block multiple sequence alignment format?


aIdentification starts contain a short identifier for the group of sequences from which the block was made and often is the original Prosite group ID

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bThe identifier is terminated by a comma, and “BLOCK” indicates the entry type

✓


cAC contains the block number, a seven-character group number for sequences from which the block was made, followed by a letter (A–Z) indicating the order of the block in the sequences

✖


dThe block number is a 5-digit number preceded by BL (BLOCKS database) or PR (PRINTS database)

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View Answer The identifier is terminated by a comma, and “BLOCK” indicates the entry type

Which of the following is incorrect about Retrieving a Specific Sequence?


aIt can be difficult to retrieve the sequence of a specific gene or protein simply because of the sheer number of sequences in the Gen-Bank database and the complex problem of indexing them

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bOther projects may benefit from the availability of better curated and annotated protein sequence databases, but not PIR and SwissProt

✓


cFor projects that require the most currently available sequences, the NR databases should be searched

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dThe genomic databases can also provide the sequence of a particular gene or protein. Protein sequences in the Genpro database are generated by automatic translation of DNA sequences

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View Answer Other projects may benefit from the availability of better curated and annotated protein sequence databases, but not PIR and SwissProt

The program returns the number of matches found and provides an opportunity to narrow this list by including more terms.


aTrue

✓


bFalse

✖


ceither true and false

✖


dnone of the mentioned

✖


View Answer True

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