Virus classification — is the process of naming viruses and placing them into a taxonomic system. Similar to the classification systems used for cellular organisms, virus classification is the subject of ongoing debate and proposals. This is mainly due to the pseudo… … Wikipedia
Virus — This article is about the biological agent. For other uses, see Virus (disambiguation). For a generally accessible and less technical introduction to the topic, see Introduction to viruses. Viruses … Wikipedia
virus — viruslike, adj. /vuy reuhs/, n., pl. viruses. 1. an ultramicroscopic (20 to 300 nm in diameter), metabolically inert, infectious agent that replicates only within the cells of living hosts, mainly bacteria, plants, and animals: composed of an RNA … Universalium
Virus — A microorganism smaller than a bacteria, which cannot grow or reproduce apart from a living cell. A virus invades living cells and uses their chemical machinery to keep itself alive and to replicate itself. It may reproduce with fidelity or with… … Medical dictionary
Virus — Para otros usos de este término, véase Virus (desambiguación) … Wikipedia Español
History of model organisms — The history of model organisms began with the idea that certain organisms can be studied and used to gain knowledge of other organisms or as a control (ideal) for other organisms of the same species. Model organisms offer standards that serve as… … Wikipedia
Largest organisms — The largest organism found on earth can be measured using a variety of methods. It could be defined as the largest by volume, mass, height, or length. Some creatures group together to form a superorganism, though this cannot truly be classed as… … Wikipedia
Tobacco mosaic virus — Electron micrograph of TMV particles stained to enhance visibility at 160,000x magnification Virus classification Group … Wikipedia
Toll-like receptor — Toll like receptors (TLRs) are a class of single membrane spanning non catalytic receptors that recognize structurally conserved molecules derived from microbes once they have breached physical barriers such as the skin or intestinal tract mucosa … Wikipedia
Smallest organisms — The smallest organism found on Earth can be measured using a variety of different methods, and can be defined as the smallest by volume, mass, height, or length. Because there is some dispute over what the definition of life is and what entities… … Wikipedia
