Chromatin remodeling
Chromatin remodeling: Dynamic structural changes to the chromatin occurring throughout the cell division cycle. These changes range from the local changes necessary for transcriptional regulation to global changes necessary for chromosome segregation. Chromatin remodeling is an epigenetic phenomenon. See also: Epigenetics.
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Chromatography, gas (GC): A type of automated chromatography (a technique used to separate mixtures of substances) in which the mixture to be analyzed is vaporized and carried by an inert gas through a special column and thence to a detection device. The special column can contain an inert porous solid (in gas-solid chromatography) or a […]
- Chromatophobia
Chromatophobia: An abnormal and persistent fear of money. Sufferers experience undue anxiety even though they realize their fear is irrational. They worry that they might mismanage money or that money might live up to its reputation as “the root of all evil.” Perhaps they remember well the ill fortune that befell the mythical King Midas. […]
- Chromesthesia
Chromesthesia: A type of synesthesia in which which a nonvisual stimulus causes the individual to perceive color. Color hearing is a form of chromesthesia. In color hearing a musical tone elicits a color. One well-studied case involved an art teacher who had a range of consistent linkages between tone and color. For her, high octaves […]
- Chromosome
Chromosome: A carrier of genetic information that is visible under an ordinary light microscope. Each human chromosome has two arms, the p (short) arm and the q (long) arm. These arms are separated from each other only by the centromere, which is the point at which the chromosome is attached to the spindle during cell […]
- Chromosome 1
Chromosome 1: The largest human chromosome, comprising approximately 10% of the human genome. Chromosome 1 contains over 240 million base pairs and over 3000 genes including the UROD gene for porphyria cutanea tarda, the GBA gene for Gaucher disease, the GLC1A gene for glaucoma, the HPC1 gene for prostate cancer, and the PS2 gene for […]