this is known as euchromatin, DNA tightly bound to proteins is heterochromatin. Whether a DNA is bound up with protein in the cell or not depends on whether that part of the DNA is active in the cell at a particular time
Eukaryotes have a nucleus, prokaryotes do not.
This tertiary structure of DNA is commonly called "beads on a string."
No. Most of the DNA in a cell is stored in the nucleus. Sometimes, there are separate loops of DNA loose in a cell called plasmids. In prokaryotic cells the DNA is just loose in the cell, but even then the golgi body is DNA-free.
Eukaryotes
The segments of DNA that are loosly bound to protein are called Chromatin.
Bacteria are single celled prokaryotes that have their DNA loose in the cytosol and no membrane bound organelles. Fungi are eukaryotes with a membrane bound nucleus containing DNA and many membrane bound organelles. Some fungi are single celled, but most are multicelled and heterotrophic.
this is known as euchromatin, DNA tightly bound to proteins is heterochromatin. Whether a DNA is bound up with protein in the cell or not depends on whether that part of the DNA is active in the cell at a particular time
Eukaryotes have a nucleus, prokaryotes do not.
Nucleus
This tertiary structure of DNA is commonly called "beads on a string."
Generally, the DNA is contained in the nucleus of what are called eukaryotic cells, i.e.cells which have a membrane bound nucleus. In prokaryotic cells, cells which do not have a membrane bound nucleus the DNA is found in the nucleoid region as a single loop of DNA. However, DNA is also found in the energy producing organelles called mitochondria.
Eukaryotes.
In the Membrane bound nucleus
No. Most of the DNA in a cell is stored in the nucleus. Sometimes, there are separate loops of DNA loose in a cell called plasmids. In prokaryotic cells the DNA is just loose in the cell, but even then the golgi body is DNA-free.
complex of DNA bound to proteins
The thread like structure that contains the genetic cell information is called Chromosome. A chromosome carries the DNA bound proteins that packages and controls the DNA function.