Question

what are viruses please said me the answer fast ​

Answer 1

Explanation:

$\huge\sf\purple{Answer-:}$Virus is very complex tiny particle, it is composed with different type of complex Nucleic acid (RNA and DNA). Capsid (Capsomers protein) :- Helical and. Icosahedral symmetry. Envelope Protiens (Glycopeoteins) Virus infects to the specific host cells based on suitable receptors.

Answer 2

Answer:

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. 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, more than 9,000 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 subspeciality of microbiology.