Chromosome puff
WebAn act of drawing in and expelling the breath, as in smoking tobacco. 3. Genetics A localized region of swelling in certain chromosomes indicating the active synthesis of RNA. v. puffed, puffing, puffs v.intr. 1. To blow in puffs. 2. To breathe forcefully and rapidly: huffed and puffed up the stairs. 3. WebOct 1, 1999 · Histograms showing the changes in mean size of chromosome 2 puffs during the late larval and prepupal stages. (a) Chromosome arm 2L, sections 1–11; (b) chromosome arm 2R, sections 12–20.
Chromosome puff
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WebJan 1, 2016 · Response of puff at division 10 of X-chromosome after in vitro Ecdysone treatment for 30 min. (a) control: one lobe of a pair of salivary gland in the incubation medium containing 0.5% acetone in PBS (b) treated: another lobe of the gland in the incubation medium containing 187 μM acetone Ecdysone in PBS. In vivo WebChromosome puffs are diffuse swellings along the regularly banded arms of polytene chromosomes (see also Lezzi, Chapter 4, this volume). The polytene chromosomes, which are found in many species of Diptera, are the product of several rounds of DNA …
Webchromosome puff A swelling at a site along the length of a polytene chromosome; the site of active transcription. A diffuse uncoiled region in a polytene chromosome where … WebIt is an essential defense mechanism for protection of cells from a wide range of stressors, including heat shock, alcohols, ischemia, inhibitors of energy metabolism, …
WebThe puffs within these sections of the giant chromosomes are active before and during secretion synthesis and become inactive as secretion synthesis ceases. Larvae of one … Webfurther chromosome studies are needed to assess potential taxonomic implications of these two ploidy levels in C. longitubum. New counts for species of Borreria G. Mey., Phylohydrax Puff. and Spermacoce L. are in accordance with the basic number of x = 14 prevalent in the Spermacoceae s.str. and the Spermacoce–Borreria complex (Kiehn 1985 ...
WebChromosome Puff in cytogenetics, a swelling that is found on polytene chromosomes; an aggregate of puffs corresponds to a set of active, or functioning, cellular genes at a given stage of the cell’s differentiation.
WebChromosome organization and genic expression. Chromosome organization and genic expression. Chromosome organization and genic expression Cold Spring Harb Symp Quant Biol. 1951;16:13-47. doi: 10.1101/sqb.1951.016.01.004. Author B McCLINTOCK. PMID: 14942727 DOI: 10.1101 ... how does refresh financial workWebKnown as: Chromosome puff, Puffs, Chromosome, Puffs, Chromosomal Expand Regions along polytene chromosomes that are uncondensed and active in DNA REPLICATION … how does reflection work in mathWebPuffing is the term that describes structural changes in polytene chromosomes. If one observes polytene chromosomes during the late prepupal stage, different bands appear to be puffed up. For 40 years, this has been understood to be the result of gene activity. Puffs then, afford a view of the temporal sequence of gene activation. how does reflection change a waveWebchromosome puff. A localised separation of polytene chromosomes (e.g., chromosomes of Drosophila melanogaster) that represents a site of active RNA … how does reflection work physicsWebIt is a giant chromosome that is found in the oocytes or immature egg (germ cells in the ovary) of most of the vertebrates such as fishes, amphibians, birds and reptiles, and in … how does reflective practice help patientsWebBest Steakhouses in Fawn Creek Township, KS - The Yoke Bar And Grill, Stockyard Restaurant, Poor Boys Steakhouse, Big Ed's Steakhouse, Uncle Jack's Bar & Grill, … photo print frame onlineWebA comparison of the autosomal puffing patterns of the sibling species D. melanogaster and D. simulans. Chromosoma (Berl.) 27, 64–85 (1969b). CrossRef CAS Google Scholar Ashburner, M.: Patterns of puffing activity in the salivary gland chromosomes of Drosophila. IV. Variability of puffing patterns. Chromosoma (Berl.) 27, 156–177 (1969c). how does reflective material work