21 Chromatin Facts: Learn All There Is To Know About Chromatin! | Kidadl


21 Chromatin Facts: Learn All There Is To Know About Chromatin!

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DNA is the building block in fetus development, it is are responsible for sharing of genes, and these DNA and proteins rest inside the chromatin.

Chromatin lies inside the chromosomes and helps in carrying out the multiple tasks which are responsible for sharing DNA. The genetic material which the second generation receives from their parents is crucial, it helps one build a map of their growth, health, and as well as their reproductive life.

A DNA sequence acts like a manual that is loaded with instructions about the development of an organism. Thus, DNA is essential to determine the structure and function of the coming organism. However, to help the DNA do that, DNA contains a certain number of building blocks. The four basic building blocks of DNA are adenine, cytosine, thymine, and guanine. Together these cells help provide the initial life structure.

What is chromatin?

We all know that the primary function of DNA is to give structure and function to the initial cells. Nonethless, DNA needs help when it does that, that is when chromatin comes into the picture along with some proteins, which makes the process straightforward and trouble-free.

  • Chromatin fiber is a very important macromolecule that stores DNA, RNA, and other essential protein.
  • The chromatin fibers store essential proteins, and these proteins are later used by the DNA for various works.
  • The proteins called histones are stored inside the chromatin, along with DNA and RNA.
  • Many people believe or vision DNA as a free moving cell; that's not true, as DNA carries very vital information, proteins such as the histones are taken in use to pack the DNA safely inside the cell nucleus of chromatin.
  • The chromatin uses the help of a very compact form of protein, which is called histones to pack DNA and RNA in its nucleus.
  • After taking the help of histone in packing the DNA cell inside the nucleus, the chromatin then takes full responsibility for controlling any further DNA replication or movement, which might happen in the DNA.
  • The basic structure of chromatin is of a nucleosome and is dependent on the DNA.
  • Chromatin is sometimes also referred to as chromatin nucleosome cells.
  • Nucleosomes have a diameter of the size 10nm and they carry just enough molecules of histones.
  • Chromatin contains around eight molecules of histones and the chromatin works to control any DNA replication or cell division.

Where is chromatin located?

DNA requires some specific building blocks to help it in the process of DNA repair, DNA replication, cell division, in such a case the chromatin acts as a manager and handles any ongoing activity inside a DNA.

  • DNA is found inside the cell nucleus of chromatin.
  • Chromatin is found inside the nucleus of a eukaryotic cell.
  • After getting packed inside the chromatin, the DNA forms very closely packed structures which are called nucleosomes.
  • Many people often confuse chromatin and chromosome to be one body unit, that is not true.
  • Chromatin is a part of the chromosome.
  • Chromosomes carry the chromatin fibers, the chromatin carries DNA, RNA, and essential proteins are known as histones, the changes in the chromatin are due to DNA replication and cell division.
  • DNA contributes greatly to the structure and function of an organism, and chromatin helps the DNA do so by packing it inside its nucleus and controlling its replication, chromatin is also very helpful to ensure transmission of genomes.
Once DNA is packed inside the cell nucleus of chromatin, it controls cell division and DNA replication by allowing mitosis and meiosis.

Difference Between Chromatin And Chromosome

Proteins are an important part of DNA, they can be seen as the tool which helps to pack them just perfectly in the required cell nucleus.

  • Chromatin was first discovered by Walter Flemming in the year 1880, an extended work was carried out on this cell to understand it better and many scientists contributed to the studies of chromatin, one of them was Winston.
  • The structure of chromatin is largely affected by the structures of the DNA, hence as the DNA replicates, the chromatin structure is subjected to experience changes.
  • When looked under a microscope, it can be seen that chromatin gives the structure of a bead held on a string.
  • Chromatin, DNA, RNA, and proteins together form chromosomes.
  • Chromatin was named in the year 1882, in the same year, Walter Flemming examined the cells under light and found that when the cell is stained with regular dye their nucleus turns more bright, thus naming it chromatin, after the Greek word chroma meaning the color.

Uses Of Chromatin In Cell

A compact form of proteins help the chromatin bind the DNA and RNA inside the nucleus and when these are combined, together they are called chromosomes.

  • Chromatin is responsible for almost all the activities that take place inside DNA.
  • From DNA replication to cell division to genome exchange and even in case of DNA damage the chromatin comes into use. When there are chances of DNA damage the chromatin helps prevent it.
  • When the subject of a human genome comes into the picture, it's shocking to know that a single human genome can carry over two million pairs of DNA.
Written By
Monika Sharma

<p>With a passion for crafting engaging and informative content, Monika brings a wealth of writing experience to our team. Her Bachelors in Electronics and Telecommunications from Symbiosis Institute Of Technology adds a unique perspective to her work, allowing her to effectively communicate complex ideas in a clear and concise manner. Over the past two years, Monika has perfected her writing skills through her roles as a content writer, content manager, and digital marketer for reputable companies in both the USA and India. This hands-on experience has provided her with a deep understanding of industry trends and best practices, ensuring that the content she produces is always of the highest quality. She stays current with the latest field developments,continuously refining her skills to deliver exceptional content.</p>

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