HARITHA,Subject Matter Expert at Edumarz
Solution:Viral organisms are non-cellular organisms that contain an inert crystalline structure outside of the living cell.They have the ability to infect a cell and thereby take control over the machinery of the host to replicate.The genetic material of viruses is either RNA or DNA.No virus possesses both RNA and DNA in its body.It is also a nucleoprotein and the genetic material of viruses causes infection.Viruses that infect plants contain single stranded RNA and viruses that infect animals contain either single or double stranded RNA or double stranded DNA.Viruses that infect the bacteria are called “bacteriophages” and they are double-stranded DNA viruses.The protein coat of virus is termed a capsid and it is made of small subunits called capsomeres.These capsomeres protect the nucleic acid and the arrangement of capsomeres is in helical or polyhedral geometric shapes.
Diseases caused by viruses include Covid,mumps,smallpox,herpes,AIDS and influenza.