Chromatin: meaning, definitions and examples

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chromatin

 

[ หˆkrลmษ™หŒtษชn ]

Noun
Context #1 | Noun

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:

๐Ÿ‡ต๐Ÿ‡น cromatina

๐Ÿ‡ฎ๐Ÿ‡ณ เค•เฅเคฐเฅ‹เคฎเฅˆเคŸเคฟเคจ

๐Ÿ‡ฉ๐Ÿ‡ช Chromatin

๐Ÿ‡ฎ๐Ÿ‡ฉ kromatin

๐Ÿ‡บ๐Ÿ‡ฆ ั…ั€ะพะผะฐั‚ะธะฝ

๐Ÿ‡ต๐Ÿ‡ฑ chromatyna

๐Ÿ‡ฏ๐Ÿ‡ต ใ‚ฏใƒญใƒžใƒใƒณ

๐Ÿ‡ซ๐Ÿ‡ท chromatine

๐Ÿ‡ช๐Ÿ‡ธ cromatina

๐Ÿ‡น๐Ÿ‡ท kromatin

๐Ÿ‡ฐ๐Ÿ‡ท ํฌ๋กœ๋งˆํ‹ด

๐Ÿ‡ธ๐Ÿ‡ฆ ูƒุฑูˆู…ุงุชูŠู†

๐Ÿ‡จ๐Ÿ‡ฟ chromatin

๐Ÿ‡ธ๐Ÿ‡ฐ chromatรญn

๐Ÿ‡จ๐Ÿ‡ณ ๆŸ“่‰ฒ่ดจ

๐Ÿ‡ธ๐Ÿ‡ฎ kromatin

๐Ÿ‡ฎ๐Ÿ‡ธ kromatรญn

๐Ÿ‡ฐ๐Ÿ‡ฟ ั…ั€ะพะผะฐั‚ะธะฝ

๐Ÿ‡ฌ๐Ÿ‡ช แƒฎแƒ แƒแƒ›แƒแƒขแƒ˜แƒœแƒ˜

๐Ÿ‡ฆ๐Ÿ‡ฟ xromatin

๐Ÿ‡ฒ๐Ÿ‡ฝ 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.