- macronuclei
- 'mækrəʊ'nuËklɪəs /-'nju- n. largest of two nuclei occurring in ciliate protozoans (Biology)
English contemporary dictionary. 2014.
English contemporary dictionary. 2014.
protist — protistan /proh tis teuhn/, adj., n. protistic, adj. /proh tist/, n. any of various one celled organisms, classified in the kingdom Protista, that are either free living or aggregated into simple colonies and that have diverse reproductive and… … Universalium
protozoan — /proh teuh zoh euhn/, n., pl. protozoans, (esp. collectively) protozoa / zoh euh/, adj. Biol. n. 1. any of a diverse group of eukaryotes, of the kingdom Protista, that are primarily unicellular, existing singly or aggregating into colonies, are… … Universalium
Ciliate — For the type of leaf margin, see Leaf#Margins (edge). Ciliated Cells Temporal range: Ediacaran Recent … Wikipedia
ciliate — ciliately, adv. ciliation, n. /sil ee it, ayt /, Biol. n. 1. Also called ciliophoran /sil ee of euhr euhn/. any protozoan of the phylum Ciliophora (or in some classification schemes, class Ciliata), as those of the genera Paramecium, Tetrahymena … Universalium
Cortical inheritance — or structural inheritance was discovered by Tracy Sonneborn, and other researchers, during his study on protozoa in the late 1930s. Sonneborn demonstrated during his research on Paramecium that the structure of the cortex was not dependent on… … Wikipedia
Exon — An exon is a nucleic acid sequence that is represented in the mature form of an RNA molecule after a) portions of a precursor RNA, introns, have been removed by cis splicing or b) two or more precursor RNA molecules have been ligated by trans… … Wikipedia
Stephanopogon — Taxobox color = khaki name = Stephanopogon image width = 220px image caption = Stephanopogon sp. domain = Eukaryota ordo = Pseudociliatida ordo authority = Corliss Lipscomb 1982 genus = Stephanopogon genus authority = Entz 1884 Stephanopogon is a … Wikipedia
Macronucleus — A macronucleus (formerly also meganucleus) is the larger type of nucleus in ciliates. Macronuclei are polyploid and undergo direct division without mitosis. It controls the non reproductive cell functions, the everyday tasks, such as metabolism.… … Wikipedia
Micronucleus — A the micronucleus is the smaller nucleus in ciliate protozoans, such as the paramecium. In fission it divides by mitosis, and in conjugation furnishes the pairing of gamete nuclei, by whose reciprocal fusion a zygote nucleus is formed, which… … Wikipedia
Exon — Schematische Darstellung von Exons und Introns auf der Ebene der DNA, prä mRNA und mRNA. Als Exon (von engl. expressed region) wird der Teil eines eukaryotischen Gens bezeichnet, der nach dem Spleißen (Splicing) erhalten bleibt. Dem gegenüber… … Deutsch Wikipedia