difference between virus and bacteria
Answers
Answer:
virus:
A virus is 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 or DNA core, a protein coat, and, in more complex types, a surrounding envelope.
Virus, explained in everyday words, is an extremely tiny particle that causes an infectious disease. It is generally made up of some RNA or DNA coated in protein. It can only multiply in the cell of hosts that are alive. That means, technically, viruses are not themselves living.
In informal contexts, virus is also commonly used to refer to the disease caused by the virus. And of course, virus has another special meaning when it comes to computers.
The word virus entered English around 1590–1600. It comes directly from the Latin vīrus, meaning “slime, poison.”
bacteria:
Bacteria are ubiquitous one-celled organisms, spherical, spiral, or rod-shaped and appearing singly or in chains, comprising the Schizomycota, a phylum of the kingdom Monera (in some classification systems the plant class Schizomycetes), various species of which are involved in fermentation, putrefaction, infectious diseases, or nitrogen fixation.
Bacteria explained in everyday words:
One-celled organisms that sometimes cause infectious diseases but, very often, are essential to keeping us healthy or are harmless. They come in three shapes, resembling a sphere, spiral, or rod.
Bacteria is first recorded in English around 1905–10. Bacterium is older, evidenced by 1840–50. Both words ultimately come, via Latin, from the Greek baktēría, meaning “staff.”
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Answer:
Viruses, like the common cold or influenza are not alive and must invade living cells to grow. The body’s own immune system must fight off the virus or let it run its course. Viral infections are usually accompanied by multiple symptoms such as a sore throat, runny nose, congestion, vomiting and diarrhea.
Bacteria are living organisms and can be found everywhere. There are times when the body’s immune system may not be able to fight off a bacterial infection. Antibiotics work to kill the bacteria by stopping its growth. Bacterial infections often go together with pain, aches, or sore areas of the body.