The term chromatin

См. также в других словарях:

• Chromatin bridge — Classification and external resources DAPI staining allows for visualization of deoxyribonucleic acid portions of the two daughter cells. The thin “string like” DNA connecting them is defined as a chromatin bridge. Chromatin bridge is a mitotic… …   Wikipedia

• Salt-and-pepper chromatin — In pathology, salt and pepper chromatin, also salt and pepper nuclei, refers to cell nuclei that demonstrate finely granular chromatin (on light microscopy). [cite journal |author=Chetty R, Asa SL |title=Pancreatic endocrine tumour with… …   Wikipedia

• Cell — The basic structural and functional unit in people and all living things. Each cell is a small container of chemicals and water wrapped in a membrane. Each cell in the human body there are 100 trillion cells in each of us contains the entire… …   Medical dictionary

• S/MAR — The term ´S/MAR´ (scaffold/matrix attachment region), otherwise called ´SAR´ (scaffold attachment region) or ´MAR´ (matrix associated element) designates architectural components that organize the genome of eukaryotes into functional units within …   Wikipedia

• deoxyribonucleic acid — The type of nucleic acid containing deoxyribose as the sugar component and found principally in the nuclei (chromatin, chromosomes) and mitochondria of animal and plant cells, usually loosely bound to protein (hence the …   Medical dictionary

• Nature versus nurture — The nature versus nurture debate concerns the relative importance of an individual s innate qualities ( nature, i.e. nativism, or innatism) versus personal experiences ( nurture, i.e. empiricism or behaviorism) in determining or causing… …   Wikipedia

• Nucleic acid quaternary structure — The quaternary structure of a nucleic acid refers to the interactions between separate nucleic acid molecules, or between nucleic acid molecules and proteins. The concept is analogous to protein quaternary structure, but as the analogy is not… …   Wikipedia

• Sperm — The term sperm is derived from the Greek word (σπέρμα) sperma (meaning seed ) and refers to the male reproductive cells. In the types of sexual reproduction known as anisogamy and oogamy, there is a marked difference in the size of the gametes… …   Wikipedia

• Epigenetics — In biology, the term epigenetics refers to changes in gene expression caused by mechanisms other than changes in the underlying DNA sequence. These changes may remain through cell divisions for the remainder of the cell s life and may also last… …   Wikipedia

• cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …   Universalium

• Chromosome — For a non technical introduction to the topic, see Introduction to genetics. Diagram of a replicated and condensed metaphase eukaryotic chromosome. (1) Chromatid – one of the two identical parts of the chromosome after S phase. (2)… …   Wikipedia