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TLS Online TPP Program
#Question id: 33896
#Unit 2. Cellular Organization
In hydroxyapatite column chromatography used during DNA reassociation studies, what is the principle behind the differential binding of single- and double-stranded DNA?
TLS Online TPP Program
#Question id: 33897
#Unit 2. Cellular Organization
Which of the following is correct combination
A. Translocation is an active process in which the DNA is driven into the head by an ATP independent mechanism.
B. The genome is packaged into the empty capsid by the terminase enzyme.
C. The terminase uses cos sites in linear phage DNA by cleaving at cos sites.
TLS Online TPP Program
#Question id: 33898
#Unit 2. Cellular Organization
E. coli cell has 4,639,675 bp have a contour length of about 1.7 mm and E. coli cell is 1µm is length. What can be correctly inferred from this data.
TLS Online TPP Program
#Question id: 33899
#Unit 2. Cellular Organization
A. In E.coli, a natural closed DNA that is negatively supercoiled.
B. The intercalation of ethidium bromide first removes the negative supercoils and then introduces positive supercoils.
TLS Online TPP Program
#Question id: 33900
#Unit 2. Cellular Organization
A. Bacterial genome have many independent chromosomal domains
B. Bacterial genome is circular and have many intertangled domains
C. Each domain consists of 40 kilobases (k2. of DNA
D. The existence of separate domains donot permit different degrees of supercoiling to be maintained in different regions of the genome.
Find true and false
TLS Online TPP Program
#Question id: 33904
#Unit 2. Cellular Organization
A. The bacterial nucleoid is 80% DNA by mass.
B. Bacteria have similar morphological features as of eukaryotic chromosomes,
C. Bacterial genomes are organized into definite substructures within the cell.
D. Bacterial Protein HU is a dimer that condenses DNA, possibly wrapping it into a beadlike structure.
Find true and false