Chromatin (Noun)
Meaning
The readily stainable substance of a cell nucleus consisting of DNA and RNA and various proteins; during mitotic division it condenses into chromosomes.
Classification
Nouns denoting body parts.
Examples
- Chromatin is the complex of genetic material and proteins that make up the chromosome.
- The DNA double helix is wound around nucleosomes to form chromatin.
- Chromatin can be either euchromatin, which is less compact and more accessible to transcription factors, or heterochromatin, which is more compact and less accessible.
- Researchers used a specialized technique to visualize the chromatin structure in the nucleus of the cell.
- The repressive histone modifications and nucleosome positioning are involved in the regulation of chromatin structure and gene expression.