Bacteria Vs Virus Vs Germ

I can never keep the dang things straight.

Bacteria (singular: bacterium) are a major group of living organisms. The term "bacteria" has variously applied to all prokaryotes or to a major group of them, otherwise called the eubacteria... Most are minute, usually only 0.5-5.0 ┬Ám in their longest dimension, although giant bacteria like Thiomargarita namibiensis and Epulopiscium fishelsoni may grow past 0.5 mm in size. They generally have cell walls...

A Germ/Micro Organism/Micr Obe is an organism that is microscopic (too small to be visible to the naked eye). Microorganisms are often described as single-celled, or unicellular organisms; however, some unicellular protists are visible to the naked eye, and some multicellular species are microscopic. Bacteria and archaea are almost always microscopic, whilst a number of eukaryotes are also microscopic, including most protists and a number of fungi. Unicellular species are those whose members consist of a single cell throughout their life cycle.

  • The Germ Theory of disease, also called the pathogenic theory of medicine, is a theory that proposes that Micro Organism-s are the cause of many diseases.

A Virus (Latin, "poison") is a submicroscopic particle that can infect the cells of a biological organism. At the most basic level they consist of genetic material contained within a protective protein shell, which distinguishes them from other virus-like particles such as prions and viroids... Viruses are similar to obligate intracellular parasites as they lack the means for self-reproduction outside a host cell, but unlike parasites, which are living organisms, viruses are not truly alive. They infect a wide variety of organisms, both eukaryotes (such as animals, insects and plants) and prokaryotes (such as Bacteria). A virus infecting bacteria is known as a Bacterio Phage, which is used mainly in its shortened form phage.

Well gee now that's all clear.


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