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


b It uses a limited vocabulary to describe molecular functions


cBiological processes are not described though


dThe cellular components are described using limited vocabulary



. 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


bGene structures are first predicted by ab initio exon prediction programs


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


dThe pairwise alignment programs are not involved



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


a True


b False


ceither true and false


dnone of these


View Answer True

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


aTrue


bFalse


ceither true and false


dnone of these


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


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


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


dIt is in fact rarely observed among divergent species



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


aTrue


bFalse


ceither true and false


dnone of these


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


b recent lateral gene transfer events


c ancient lateral gene transfer events


dboth recent and ancient lateral gene transfer events



Which of the following is untrue about Lateral gene transfer?


aIt is also known as vertical gene transfer


bThere is exchange of genetic materials between species


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


dIt is one of the examples is transformation



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


a vast, four


bcore, fifteen


ccore, four


dvast, fifteen


View Answer core, four

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


amaximum


bmaximal


c highest number of set of


dminimal


View Answer minimal

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