ESSAY PLAN. Viruses are small sized agent, infectious i

Added on - 21 Sep 2019

Trusted by +2 million users,
assist thousands of students everyday
Showing pages 1 to 2 of 4 pages
ESSAY PLANViruses are small sized agent, infectious in nature. The essay aims towards providing someinsight on the viruses being a living as well as non-living organisms.The Introduction defines the term virus and also gives its meaning.The essay then presents the various characteristics of life which define the livingorganisms separating them from non-living.The essay is then followed by giving further explanation on virus by explaining themthoroughly.This is followed by the factors that define viruses as non-living things and finally variousfactors that the viruses making them a living organisms.In the end, the whole study has been summed up in the conclusion.
Virus-Living or non-living?IntroductionVirus is a small sized infectious agent and has a simple composition, deriving its name from aLatin word for “poison”. The viruses can only multiply with an association of a host cell.(Villarreal, L, 2004)DiscussionThere are some characteristics that divide living organisms from non-living organisms. Some ofthese are as followed:1.Cellular organization: The living things are composed of cells and have an assembly ofsystematically arranged organs. In unicellular organisms, a single cell is self-sufficient toperform all the necessary functions whereas in multicellular the cells are arranged to formorgans, tissues etc.2.Reproduction: The living things have the ability to reproduce their progeny and is a vitalprocess for the organisms to survive. The living organisms have genetic material stored intheir reproductive cells so as to produce their progeny. (Forterre, P, 2010)3.Metabolism: The living things required energy to perform the necessary functions and fortheir maintenance and growth.Viruses:The viruses are considered as a parasite which are characterized as an organisms between lifeand inert matter. These have proteins, genetic material, nucleic acids and all the other vitalcomponents like a living organism but they require a host cell for them to replicate and multiply.However, they cannot synthesize proteins and depend solely on their host for performing all thelife-sustaining functions. Furthermore they cannot derive energy on their own. Some of the most
You’re reading a preview
Preview Documents

To View Complete Document

Become a Desklib Library Member.
Subscribe to our plans

Download This Document