Introduction to Microbiology by Cybertenko
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A virus is a small infectious agent that replicates only inside the living cells of an organism. Viruses can infect all types of life forms, from animals and plants to microorganisms, including bacteria and archaea. Since Dmitri Ivanovsky's 1892 article describing a non-bacterial pathogen infecting tobacco plants, and the discovery of the tobacco mosaic virus by Martinus Beijerinck in 1898, about 5,000 virus species have been described in detail, of the millions of types of viruses in the environment. Viruses are found in almost every ecosystem on Earth and are the most numerous type of biological entity. The study of viruses is known as virology, a sub-speciality of microbiology.
While not inside an infected cell or in the process of infecting a cell, viruses exist in the form of independent particles, or virions, consisting of: the genetic material, i.e. long molecules of DNA or RNA that encode the structure of the proteins by which the virus acts; a protein coat, the capsid, which surrounds and protects the genetic material; and in some cases an outside envelope of lipids. The shapes of these virus particles range from simple helical and icosahedral forms to more complex structures. Most virus species have virions too small to be seen with an optical microscope, about one hundredth the size of most bacteria.
Although perhaps too specific to be used as such, it can easily be taken for various kind of alien environment like flora or fauna.
What is included:
Poser Props
16 virus species
Procedural materials suitable for closeups and ednlarging, Unpacked Runtime Size: 40 MB.
suitable for animations. Real Life Inspiration.
