Bioinformatics Mcqs

Page No. 49

Which of the following is incorrect regarding gene ontology?


a It exists because there is a need to standardize protein functional descriptions

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b It uses a limited vocabulary to describe molecular functions

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cBiological processes are not described though

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dThe cellular components are described using limited vocabulary

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. Which of the following is incorrect regarding gene annotation?


aThe gene annotation of the human genome employs a combination of theoretical prediction and experimental verification

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bGene structures are first predicted by ab initio exon prediction programs

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cThe predicted genes are compared with experimentally determined cDNA and EST sequences

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dThe pairwise alignment programs are not involved

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The genome annotation process involves two steps: gene prediction and functional assignment.


a True

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b False

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ceither true and false

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dnone of these

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View Answer True

Genes involved in the same metabolic pathway tend to be clustered among phylogenetically diverse organisms.


aTrue

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bFalse

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ceither true and false

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dnone of these

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View Answer True

Which of the following is untrue about Gene Order Comparison?


a When the order of a number of linked genes is conserved between genomes, it is called synteny

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b Generally, gene order is much more conserved compared with gene sequences

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cGenerally, gene order is much less conserved compared with gene sequences

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dIt is in fact rarely observed among divergent species

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Within-Genome Approach is to identify regions within a genome with unusual compositions.


aTrue

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bFalse

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ceither true and false

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dnone of these

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View Answer True

A way to discern lateral gene transfer is through phylogenetic analysis, referred to as an ‘among-genome’ approach, which can be used to discover __________


arecent lateral gene transfer events but almost negligible ancient events

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b recent lateral gene transfer events

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c ancient lateral gene transfer events

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dboth recent and ancient lateral gene transfer events

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Which of the following is untrue about Lateral gene transfer?


aIt is also known as vertical gene transfer

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bThere is exchange of genetic materials between species

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cIt mainly occurs among prokaryotic organisms when foreign genes are acquired through mechanisms

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dIt is one of the examples is transformation

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oregenes is a web-based program that determines a ________ set of genes based on comparison of ________ small genomes.


a vast, four

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bcore, fifteen

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ccore, four

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dvast, fifteen

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View Answer core, four

A minimal constitutes genome, which is a _____ set of genes required for maintaining a free living cellular organism.


amaximum

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bmaximal

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c highest number of set of

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dminimal

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View Answer minimal

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