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Hace 1 día · Respiratory syncytial virus (RSV) Respiratory syncytial virus ( RSV ), [a] also called human respiratory syncytial virus ( hRSV) and human orthopneumovirus, is a contagious virus that causes infections of the respiratory tract. It is a negative-sense, single-stranded RNA virus. [2] Its name is derived from the large cells known as syncytia that ...
Hace 14 horas · The N in H5N1 stands for "Neuraminidase", the protein depicted in this ribbon diagram. H5N1 is a subtype of the species Influenza A virus of the genus Alphainfluenzavirus of the family Orthomyxoviridae. Like all other influenza A subtypes, the H5N1 subtype is an RNA virus.
Hace 2 días · The eukaryotes ( / juːˈkærioʊts, - əts / yoo-KARR-ee-ohts, -əts) [5] constitute the domain of Eukarya or Eukaryota, organisms whose cells have a membrane-bound nucleus. All animals, plants, fungi, and many unicellular organisms are eukaryotes.
Hace 14 horas · Serbia is a country of rich ecosystem and species diversity—covering only 1.9% of the whole European territory, Serbia is home to 39% of European vascular flora, 51% of European fish fauna, 40% of European reptiles and amphibian fauna, 74% of European bird fauna, and 67% European mammal fauna. [185]
Hace 5 días · List of Wikipedia milestones or en:Wikipedia:Milestone statistics (tracking of major article-count milestones) List of largest wikis (not just Wikimedia wikis) Wikimedia News (announcements and tracking of milestones for all Wikimedia projects) Tell us about your Wikipedia
Hace 3 días · Article principal : The Voice: La Plus Belle Voix. Logo de cette saison. aux Studios du Lendit à La Plaine Saint-Denis . La treizième saison de The Voice : La Plus Belle Voix, émission française de télé-crochet musical, est diffusée du 10 février 2024 au 25 mai 2024 sur TF1. Elle est animée par Nikos Aliagas .
Hace 3 días · 病毒可能是生物演化阶段的多次延伸结构，并反作用于各个生物阶段。 生物演化阶段指RNA世界、LUCA、古细菌和真细菌、真核生物。 同时，得到高度演化分支的真核生物，多次结构碎片化（卫星病毒和卫星核酸） 不断内部重组和结构迁移（核酸机制和衣壳机制）。 1、以核酸机制为核心（巴尔的摩分类法） 双链dsDNA病毒，dsDNA——mRNA. Adnaviria、Duplodnaviria（Caudovirales和Herpesvirales）、Varidnaviria、Monodnaviria的Papovaviricetes类. 单链ssDNA病毒，ssDNA——dsDNA——mRNA.
