Suchergebnisse
Suchergebnisse:
Viren (Singular: das Virus, außerhalb der Fachsprache auch der Virus, von lateinisch virus ‚natürliche zähe Feuchtigkeit, Schleim, Saft, [speziell:] Gift‘) sind infektiöse organische Strukturen, die sich als Virionen außerhalb von Zellen (extrazellulär) durch Übertragung verbreiten, aber als Viren in der Natur nur ...
VirusTotal is a free online service that scans files and URLs for malware, viruses, and other threats.
A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea. Viruses are found in almost every ecosystem on Earth and are the most numerous type of biological entity.
21. März 2024 · Als Virus bezeichnet man in der Medizin ein infektiöses Partikel, das aus Nukleinsäuren ( DNA oder RNA ), Proteinen und ggf. einer Virushülle bestehen kann. Viren besitzen keinen eigenen Stoffwechselapparat und sind zur Vermehrung auf Wirtszellen angewiesen. Sie werden daher meist nicht zu den Lebewesen gezählt.
12. Apr. 2024 · Virus, infectious agent of small size and simple composition that can multiply only in living cells of animals, plants, or bacteria. Viruses possess unique infective properties and thus often cause disease in host organisms. Learn about the history, types, and features of viruses.
Coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus. Most people infected with the virus will experience mild to moderate respiratory illness and recover without requiring special treatment. However, some will become seriously ill and require medical attention.
virus, Microscopic, simple infectious agent that can multiply only in living cells of animals, plants, or bacteria. Viruses are much smaller than bacteria and consist of a single- or double-stranded nucleic acid (DNA or RNA) surrounded by a protein shell called a capsid; some viruses also have an outer envelope composed of lipids and proteins ...
A virus is a tiny infectious agent that reproduces inside the cells of living hosts. When infected, the host cell is forced to rapidly produce thousands of identical copies of the original virus. Unlike most living things, viruses do not have cells that divide; new viruses assemble in the infected host cell.
By ScienceAlert Staff. (Roger Harris/Science Photo Library/Getty Images) A virus is genetic material contained within an organic particle that invades living cells and uses their host's metabolic processes to produce a new generation of viral particles. The way they do this varies.
19. Okt. 2023 · noun. pathogenic agent that lives and multiplies in a living cell. Viruses are tiny infectious agents that invade host cells and cause disease. Although they are harmful, viruses also have interesting technological potential.
