Which of the following holds true for Introns 

a) Introns have negative Fold Potential i.e., potential to form stem loop

b) Introns have positive Fold Potential i.e., potential to form stem loop

c) Introns are nucleotide sequence which cannot encode functional proteins or polypeptides

d) Introns do not have a sequence-specific function.

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#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.

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#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

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#Question id: 33905

#Unit 2. Cellular Organization

E. coli DNA in vivo corresponds to an average density of 1 negative superhelical turn/200 bp it means it has 

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#Question id: 33906

#Unit 2. Cellular Organization

Which is correct combination of statements

A. Bacterial genome has independent sets of domains and each domain consists of a loop of DNA.

B. Presence of domain in genome can be analyzed by EtBR intercalation and DNase treatment 

C. Early data suggested that each domain consists of 10kb-40 kb of DNA

TLS Online TPP Program

#Question id: 33907

#Unit 2. Cellular Organization

A circular DNA molecule with 580,070 bp. Calculate the molecular weight and contour length (when relaxed) of this molecule. What is Lko for the Mycoplasma chromosome? If σ=-  0.06, what is Lk?