basic chromatin

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• Chromatin — Chro ma*tin, n. (Biol.) The deeply staining substance of the nucleus and chromosomes of eukaryotic cells, composed of DNA and basic proteins (such as histones), the DNA of which comprises the predominant physical basis of inheritance. It was, at… …   The Collaborative International Dictionary of English

• Chromatin — The major structures in DNA compaction; DNA, the nucleosome, the 10nm beads on a string fibre, the 30nm fibre and the metaphase chromosome Chromatin is the combination of DNA and proteins that make up the contents of the nucleus of a cell. The… …   Wikipedia

• chromatin — The genetic material of the nucleus, consisting of deoxyribonucleoprotein, which occurs in two forms during the phase between mitotic divisions: 1) as heterochromatin, seen as condensed, readily stainable clumps; 2) as euchromatin, dispersed… …   Medical dictionary

• chromatin — noun Date: 1882 a complex of nucleic acid and basic proteins (as histone) in eukaryotic cells that is usually dispersed in the interphase nucleus and condensed into chromosomes in mitosis and meiosis see cell illustration; compare euchromatin,… …   New Collegiate Dictionary

• chromatin —   Complex of nucleic acids and proteins, primarily histones, in the cell nucleus that stains readily with basic dyes and condenses to form chromosomes during cell division …   Expanded glossary of Cycad terms

• chromatin — n. the material of a cell nucleus that stains with basic dyes and consists of DNA and protein: the substance of which the chromosomes are made. See: euchromatin, heterochromatin …   The new mediacal dictionary

• chromatin — n. the material in a cell nucleus that stains with basic dyes and consists of protein, RNA, and DNA, of which eukaryotic chromosomes are composed. Etymology: G: see CHROMATID …   Useful english dictionary

• sex chromatin — chromatin found only in female cells and believed to represent a single X chromosome in a nondividing cell. It can be used to discover the sex of a baby before birth by examination of cells obtained by amniocentesis or chorionic villus sampling.… …   The new mediacal dictionary

• sex chromatin — n BARR BODY * * * chromatin found only in female cells and believed to represent a single X chromosome in a nondividing cell. It can be used to discover the sex of a baby before birth by examination of cells obtained by amniocentesis or chorionic …   Medical dictionary

• germ plasm — Chromatin Chro ma*tin, n. (Biol.) The deeply staining substance of the nucleus and chromosomes of eukaryotic cells, composed of DNA and basic proteins (such as histones), the DNA of which comprises the predominant physical basis of inheritance.… …   The Collaborative International Dictionary of English

• idioplasm — Chromatin Chro ma*tin, n. (Biol.) The deeply staining substance of the nucleus and chromosomes of eukaryotic cells, composed of DNA and basic proteins (such as histones), the DNA of which comprises the predominant physical basis of inheritance.… …   The Collaborative International Dictionary of English