Chromatin: meaning, definitions and examples
๐งฌ
chromatin
[ หkrลmษหtษชn ]
cell biology
Chromatin is a complex of DNA and proteins found in the nucleus of eukaryotic cells. It plays a crucial role in packaging DNA into a compact, dense shape, allowing for efficient cellular processes such as transcription, replication, and repair. Chromatin exists in two forms: euchromatin, which is less condensed and active in gene expression, and heterochromatin, which is more tightly packed and generally inactive. The structural organization of chromatin is essential for regulating gene accessibility and expression.
Synonyms
chromosomal DNA, nuclear material.
Examples of usage
- During cell division, chromatin condenses into visible chromosomes.
- Chromatin remodeling is important for DNA repair mechanisms.
- Scientists study chromatin structure to understand gene regulation.
Translations
Translations of the word "chromatin" in other languages:
๐ต๐น cromatina
๐ฎ๐ณ เคเฅเคฐเฅเคฎเฅเคเคฟเคจ
๐ฉ๐ช Chromatin
๐ฎ๐ฉ kromatin
๐บ๐ฆ ั ัะพะผะฐัะธะฝ
๐ต๐ฑ chromatyna
๐ฏ๐ต ใฏใญใใใณ
๐ซ๐ท chromatine
๐ช๐ธ cromatina
๐น๐ท kromatin
๐ฐ๐ท ํฌ๋ก๋งํด
๐ธ๐ฆ ูุฑูู ุงุชูู
๐จ๐ฟ chromatin
๐ธ๐ฐ chromatรญn
๐จ๐ณ ๆ่ฒ่ดจ
๐ธ๐ฎ kromatin
๐ฎ๐ธ kromatรญn
๐ฐ๐ฟ ั ัะพะผะฐัะธะฝ
๐ฌ๐ช แฎแ แแแแขแแแ
๐ฆ๐ฟ xromatin
๐ฒ๐ฝ cromatina
Etymology
The term 'chromatin' was coined in the late 19th century, derived from the Greek word 'chroma' meaning 'color' due to its affinity for stains. Scientists first observed chromatin when preparing histological slides of cells. The distinctive staining property led to the realization that chromatin consists of both DNA and protein, allowing it to be easily visualized under a microscope during cell division. Over the years, the importance of chromatin in genetic regulation and expression has been increasingly recognized, leading to extensive research in molecular biology and genetics, particularly in understanding how chromatin structure influences gene activity and cell function.
Word Frequency Rank
At position #14,461, this word is part of sophisticated English vocabulary. It's useful for academic or professional contexts where precise language is needed.
- ...
- 14458 visualized
- 14459 ferocious
- 14460 coronation
- 14461 chromatin
- 14462 valour
- 14463 abate
- 14464 circuitry
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