Compare the structure of chromosomes in eukaryotes, bacteria, and archaea.

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comparison of Structure of chromosomes in eukaryotes ,bacteria and archaea.

Eukaryotic chromosome	prokaryotic chromosome	archaeal chromosome
1.The genetic material is organized as distinct structural entities called the chromosome.	the typical chromosome formation is absent in prokaryotes.	the typical chromosome formation is absent.
2.always 2 to many chromosome per cell.	only a single chromosome per cell.	only a single chromosome per cell.
3.larger than that of prokaryotic chromosomes.	comparitively shorter than that of eukaryotic chromosome.	comparitively shorter than that of eukaryotic chromosome.
4.Each eukaryotic chromosome contains a linear DNA with two ends.	4.Each prokaryotic chromosome contains a covalently closed circular DNA.	4.covalently closed circular DNA with replication system more or less similar to eukaryotes.
5.codes for a large number of proteins.	5.codes for few proteins.	5.codes for few proteins.
6.chromosomes are always enclosed in the nucleus	6.occupies freely in the center of the cell & not covered by the nucleus.	6.occupies freely in the center of the cell & not covered by the nucleus.
7.DNA is associated with histone proteins in eukaryotes.	7.DNA is not associated with histone proteins in prokaryotes.	7.DNA is associated with histone proteins in eukaryotes.
8.chromosomes contains many origin of replications	8.prokaryotic chromosomes contains only a single origin of replication.	contains only a single origin of replication.

gladiator answered 3 years ago

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