Betacoronavirus the Latin “corona” meaning crown or halo, referring to their image under electron microscopy of crown-like spikes on their surface similar to the solar corona. This morphology is created by the viral spike (S) peplomers, which are proteins that populate the surface of the virus and determine host tropism. The order Nidovirales is named for the Latin nidus, which means nest. It refers to this order’s production of a 3' co-terminal nested set of subgenomic mRNA's during infection. Betacoronavirus Betacoronaviruses are one of four genera of coronaviruses of the subfamily "Coronavirinae" in the family "Coronaviridae", of the order "Nidovirales". They
Latin word order In terms of transformational grammar, the sentence can be analysed as being derived from *"si tuus parens haec tibi diceret" by raising "haec" and "tibi" to earlier in the sentence. A functionalist, on the other hand, would say that "haec" naturally comes first as the topic, then "si" in its normal place, then the unemphatic pronoun, without anything being moved. Latin word order The word order of classical Latin is relatively free. Subject, Object, and Verb can come in any order; adjectives and possessives can go before or after their noun, and so on. A commonly found feature of Latin