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Present in cell nuclei in association with nucleic acids
Answer for the clue "Present in cell nuclei in association with nucleic acids ", 7 letters:
histone
Alternative clues for the word histone
Word definitions for histone in dictionaries
Wikipedia
Word definitions in Wikipedia
In biology , histones are highly alkaline proteins found in eukaryotic cell nuclei that package and order the DNA into structural units called nucleosomes . They are the chief protein components of chromatin , acting as spools around which DNA winds, and ...
Wiktionary
Word definitions in Wiktionary
n. (context biochemistry English) Any of various simple water soluble proteins that are rich in the basic amino acids lysine and arginine and are complexed with DNA in the nucleosomes of eukaryotic chromatin.
WordNet
Word definitions in WordNet
n. a simple protein containing mainly basic amino acids; present in cell nuclei in association with nucleic acids
Douglas Harper's Etymology Dictionary
Word definitions in Douglas Harper's Etymology Dictionary
1885, from German histon (1884); see histo- + -one .
Usage examples of histone.
Each chromosome consists of a DNA double helix that is wrapped around spoollike proteins called histones.
Haemoglobin genes have a rate of changing that is intermediate betwen histones and fibrinopeptides.
The slowest-evolvjiig molecules, like histones, turn out to be the ones that have been most subject to natural selection.
Not all animals have haemoglobin, but there are other proteins, for instance histones, of which a version exists in every animal and plant, and again many of them can already be looked up in the library.
The histones that normally enveloped the DNA were either missing or attenuated in the area of the inserted gene.