Bioinformatics Mcqs

Page No. 86

In nondividing cells, a mixture of lightly and darkly stained chromosomal regions called euchromatin and heterochromatin respectively, are observed.


aTrue


bFalse


ceither ture and false


dnone of these


View Answer False

Minisatellites are made up of repeat units of up to ____ and microsatellites compose of repeat units of ____ or less.


a25 bp, 10 bp


b70 bp, 6 bp


c80 bp, 9 bp


d25 bp, 4 bp


View Answer 25 bp, 4 bp

Most of the repetitive DNA is found near the open ends of chromosomes.


aTrue


b False


ceither ture and false


dnone of these


View Answer False

The sequences of satellite DNA fall into different types, each with a different repeat unit of length _____


a5–400 Mbp


b3–300 kbp


c6–900 Mbp


d5–200 bp


View Answer 5–200 bp

Prokaryotic genomes commonly have tandem repeats of sequences and include introns in protein-coding genes.


aTrue


bFalse


ceither ture and false


dnone of these


View Answer True

Telomeres hold newly replicated daughter chromosomes together.


aTrue


bFalse


ceither true and false


dnone of these


View Answer False

Computational resources can facilitate the analysis of bacterial genomes.


aTrue


bFalse


ceither ture and false


dnone of these


View Answer True

The intron structure of genes in a particular eukaryote is used for predicting the location of genes of genome sequences.


aTrue


b False


ceither true and false


dnone of these


View Answer True

Introns can remain at a corresponding position in a eukaryotic gene for long periods of evolutionary time.


aTrue


bFalse


ceither ture and false


dnone of these


View Answer True

Eukaryotic genes that encode proteins are interrupted by ________


aexons of varying length and number


bintrons of varying length and number


cexons of varying length and but same number


dintrons of varying number but same length



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