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What is the DNA called when it is found loose in the nucleus and is wrapped around histones?
Wiki User
∙ 14y ago
This tertiary structure of DNA is commonly called "beads on a string."
Wiki User
∙ 14y ago
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What role do proteins play in enabling the enormous amount of DNA in a eukaryotic cell to lit into the nucleus and what are those proteins called?
Histones are proteins which help to tightly pack the DNA into the nucleus of eukaryotic cells. A histone octamer (8 histones together= 2 of H3, 2 of H4, 2 of H2A and 2 of H2B) is formed and the DNA is wrapped 1.65 times around these 8 tightly packed histones forming a nucleosome. There are many nucleosomes along the DNA and together they look similar to a pearl necklace, with the beads being the nucleosomes. The nucleosomes can then be packed together even more tightly (like in heterochromatin) by other proteins.Histones
What is the structure in the nucleus that is composed of large amounts of DNA?
Chromosomes are composed of DNA. They are found within the nucleus and the DNA is in a super-coiled state. Also, the DNA is wrapped around proteins called histones and packed into structures called chromosomes.
Does the nucleus of a Plant Cell contain chromatin?
Yes, all cell Nuclei have chromatin.Chromatin is basically a long strand of DNA coiled around proteins called histones. Although not part of the nucleus, chromatin is contained within the nucleus of a eukaryotic cell.
What protein does DNA wrap around?
Histones are the major proteins involved in coiling DNA.
In eukaryotes DNA...?
Contained within structures called chromosomes that collectively reside within the cell's nucleus that is itself bounded by the nuclear envelope.
DNA is wrapped around a special protein?
DNA is wrapped around histone proteins. They are called nucleosomes and resemble "beads on a string" when viewed closely.
What role do proteins play in enabling the enormous amounts of DNA in the eukaryote cell to fit into the nucleus and what are the proteins called?
DNA that is not being "used" by the cell is wrapped up around proteins called histones.
What role do proteins in enabling the enormous amount of DNA in a eukaryote cell to fit into the nucleus and what are those proteins called?
DNA that is not being "used" by the cell is wrapped up around proteins called histones.
What role do proteins play in enabling the enormous amount of DNA in a eukaryotic cell to lit into the nucleus and what are those proteins called?
Histones are proteins which help to tightly pack the DNA into the nucleus of eukaryotic cells. A histone octamer (8 histones together= 2 of H3, 2 of H4, 2 of H2A and 2 of H2B) is formed and the DNA is wrapped 1.65 times around these 8 tightly packed histones forming a nucleosome. There are many nucleosomes along the DNA and together they look similar to a pearl necklace, with the beads being the nucleosomes. The nucleosomes can then be packed together even more tightly (like in heterochromatin) by other proteins.Histones
What is the structure in the nucleus that is composed of large amounts of DNA?
Chromosomes are composed of DNA. They are found within the nucleus and the DNA is in a super-coiled state. Also, the DNA is wrapped around proteins called histones and packed into structures called chromosomes.
Chromatin contains proteins called?
Histones are the main proteins in chromatin, histones are a group of five small basic proteins in the nucleus.
What are the chromosomes called during interphase?
Chromatin. The loose and, basically unwound form of chromosomes that are still wrapped is histones.
What is the role or proteins in a chromosome?
Chromatin is tightly coiled and wrapped around proteins called histones to form structures called chromosomes
Does the nucleus of a Plant Cell contain chromatin?
Yes, all cell Nuclei have chromatin.Chromatin is basically a long strand of DNA coiled around proteins called histones. Although not part of the nucleus, chromatin is contained within the nucleus of a eukaryotic cell.
What protein does DNA wrap around?
Histones are the major proteins involved in coiling DNA.
How are the long DNA molecules found in eukaryotes packed into short chromosome.?
Because the DNA molecules are twisted around and around. Almost like if you start twisting a string it will curl and then curl again upon itself.
What helps dns to coil into a chromosome?
They coil around proteins called histones
