Bioinformatics Mcqs

Page No. 85

Annotation involves identifying open reading frames in the genome sequence.


aTrue


bFalse


ceither ture and false


dnone of these


View Answer True

Analysis of the ribosomal RNA molecules of prokaryotes and eukaryotes had led to the prediction of three main branches in the tree of life.


aTrue


b False


ceither ture and false


dnone of these


View Answer True

After sequencing the Hemophilus genome and Organisms were selected for sequencing based on minimum criteria. Which of the following is not one of them?


a They had been subjected to a good deal of biological analysis


b They were model eukaryotic organisms


cThey were an important human pathogen, e.g., Mycobacterium tuberculosis (tuberculosis)


d` They were of phylogenetic interest



While sequencing of The first bacterial genome—Approximately ____ of the ____ predicted genes matched genes of another species, the bacterial species E. coli K-12 that had been the subject of many years of genetic and biochemical research.


a46%, 1500


b58%, 1496


c 72%, 1743


d58%, 1743


View Answer 58%, 1743

While sequencing of the first bacterial genome–A large number of random overlapping fragments were sequenced and then a consensus sequence of the entire ______ chromosome of Hemophilus was assembled by computer.


a 8.6 x 109 bp


b 1.8 x 106 bp


c6.9 x 105 bp


d1.8 x 104 bp


View Answer 1.8 x 106 bp

The first bacterial genome to be sequenced was that of ________ a mild human pathogen.


a Hemophilus influenzae


bLactobacillus


cVibrio cholarae


dClostridium botulinum



The chromosomes comprised linear DNA molecules in a tightly compact form that was wrapped around protein complexes, called the nucleosome.


aTrue


bFalse


ceither ture and false


dnone of these


View Answer True

(Transposable Elements) TEs have the potential to _____ in number until they comprise a ____ proportion of the genome sequence.


adecrease, large


bdecrease, micro


c increase, micro


d increase, large


View Answer increase, large

______ can comprise a large proportion of the eukaryotic genome as ______


atransposable elements, single copy sequences


btransposable elements, repetitive sequences


cmacrosatellite DNA elements, single copy sequences


dsatellite DNA elements, single copy sequences



Genes that are transcribed are located in the ______


aeuchromatin


b heterochromatin


cheterochromatin and euchromatin


d tightly bound DNA


View Answer euchromatin

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