Bioinformatics Mcqs

Page No. 85

Annotation involves identifying open reading frames in the genome sequence.


aTrue

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bFalse

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ceither ture and false

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dnone of these

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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

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ceither ture and false

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dnone of these

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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

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b They were model eukaryotic organisms

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

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d` They were of phylogenetic interest

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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

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b58%, 1496

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c 72%, 1743

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d58%, 1743

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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

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b 1.8 x 106 bp

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c6.9 x 105 bp

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d1.8 x 104 bp

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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

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cVibrio cholarae

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dClostridium botulinum

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


aTrue

✓


bFalse

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ceither ture and false

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dnone of these

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View Answer True

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


adecrease, large

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bdecrease, micro

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c increase, micro

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d increase, large

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View Answer increase, large

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


atransposable elements, single copy sequences

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btransposable elements, repetitive sequences

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cmacrosatellite DNA elements, single copy sequences

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dsatellite DNA elements, single copy sequences

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Genes that are transcribed are located in the ______


aeuchromatin

✓


b heterochromatin

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cheterochromatin and euchromatin

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d tightly bound DNA

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View Answer euchromatin

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