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What is the role of proteins in allowing DNA to fit in a cell?
The protein histone, and attendant proteins, spool the DNA tightly around their complexes and then further wind these complexes into tighter and tighter shapes. About two meters worth of DNA per cell is held in these histone complexes.
The constricted region holding two chromatids together is called a histone?
Sounds more like a centromere. Histones are proteins which are responsible for coiling the DNA up tightly.
In eukaryotic cells each chromosome has?
In eukaryotic cells, each chromosome has one or more DNA molecules, which are tightly coiled around proteins called histones. These DNA-histone complexes form chromatin fibers, which condense further to create distinct chromosomes during cell division.
Structure of nucleosome and extent of chromatin condensation in metaphase chromosome?
A nucleosome is the basic unit of chromatin, composed of DNA wrapped around a core of histone proteins. In metaphase chromosomes, chromatin is highly condensed and tightly packed. The nucleosomes are further condensed into tightly coiled structures called chromatin fibers, ultimately forming the highly structured chromosomes observed during cell division.
What does the chromopatin consist of?
Chromopatin consists of DNA packaged tightly around histone proteins to form nucleosomes. The nucleosomes help to condense and organize the DNA into chromatin, which plays a role in gene regulation and regulation of gene expression.
What is the role of proteins in allowing DNA to fit in a cell?
The protein histone, and attendant proteins, spool the DNA tightly around their complexes and then further wind these complexes into tighter and tighter shapes. About two meters worth of DNA per cell is held in these histone complexes.
In eukaryotic chromosomes DNA is tightly coiled around proteins called?
The "beads on a string" are called nucleosomes.
Eukaryotic chromosomes contain both DNA and protein tightly packed together to form a substance called?
The complex of both histone and non-histone chromosomal proteins and DNA is known as chromatin.
The constricted region holding two chromatids together is called a histone?
Sounds more like a centromere. Histones are proteins which are responsible for coiling the DNA up tightly.
In eukaryotic cells each chromosome has?
In eukaryotic cells, each chromosome has one or more DNA molecules, which are tightly coiled around proteins called histones. These DNA-histone complexes form chromatin fibers, which condense further to create distinct chromosomes during cell division.
Chromosomes is composed of DNA and proteins which are tightly compacted and condensed?
Yes, chromosomes are made up of DNA wrapped around histone proteins. This complex structure allows the genetic material to be tightly compacted and condensed, ensuring that it can be organized and efficiently segregated during cell division.
Where in the cell would you find chromosomes?
You would find them in a nucleaus inside the cell.
If a cell were unable to produce histone proteins what would be a likely effect?
Without histone proteins, the DNA would be unable to tightly coil and package properly, potentially leading to gene expression dysregulation, DNA damage, and alterations in chromatin structure. This could result in various cellular abnormalities, including impaired cell division and potentially cell death.
What is the structure of chromatin, specifically referring to DNA wrapped around histone proteins?
Chromatin is a complex structure made up of DNA wrapped around histone proteins. The DNA is tightly wound around the histones, forming nucleosomes. These nucleosomes are further organized into higher order structures, ultimately creating the chromatin fiber. This structure helps to compact and regulate the expression of genes within the DNA.
Structure of nucleosome and extent of chromatin condensation in metaphase chromosome?
A nucleosome is the basic unit of chromatin, composed of DNA wrapped around a core of histone proteins. In metaphase chromosomes, chromatin is highly condensed and tightly packed. The nucleosomes are further condensed into tightly coiled structures called chromatin fibers, ultimately forming the highly structured chromosomes observed during cell division.
What does the chromopatin consist of?
Chromopatin consists of DNA packaged tightly around histone proteins to form nucleosomes. The nucleosomes help to condense and organize the DNA into chromatin, which plays a role in gene regulation and regulation of gene expression.
What consists of DNA and protein condenses to form chromosomes?
DNA and proteins, specifically histones, condense together to form chromosomes. DNA molecules wrap around histone proteins to create nucleosomes, which then coil and pack together tightly to form the condensed structure of a chromosome.
