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Viruses, like bacteria, are microscopic and cause human diseases. But unlike bacteria, viruses are acellular particles (meaning they aren't made up of living cells like plants and animals are), consisting instead of a central core of either DNA or RNA surrounded by a coat of protein.
All cells, including bacteria, replicate or reproduce themselves, whereas viruses are replicated or reproduced.Hence the known fact that viruses lack the machinery of living cells to generate biochemical energy and utilize it, and therefore they are dependant on living cells for their reproduction.
It has been argued that viruses are not living organisms because they are not composed of cells, which goes against the idea that all living organisms are made up of one or more cells. So, without cells, can viruses be truly alive.
Viruses are non-living organisms which means that they do not reproduce independently but must replicate by invading other living cells. If a virus gets into a blood stream it can potentially kill someone within days. But because it can not reproduce.
They regarded viruses, representing a stage in between living and non-living with the acquired property of multiplication. At present most of the virologists have agreed that viruses are nucleo-proteins of high molecular weight and have the power of multiplication.
Viruses have only recently been considered as a contender for being classed as a living organism as they have played a major part in the evolution of all cells2 which shows that viruses must have contained some of the early key components that ancient cells possessed.
Viruses are considered to have originated by retrogressive evolution from free-living cells, according to this theory. A parasite evolves retrogressiveIy as it takes the readymade metabolites from its host instead of synthesizing them himself.
Viruses lack the emergent property of living things, which is the cell. They are not classified in any kingdom of organisms. Viruses compensate by attaching themselves to a host cell and dissolving the cell membrane and then they enter the nucleus of the host cell and force the nucleus to replicate the virus.
Are Viruses Living? Essay Example. Pages: 2 (396 words) Published: September 19, 2010. Case Study: Are Viruses Living? Dear Students, You came to me asking a question that has puzzled mankind ever since we have discovered them. Are viruses alive? Are the chicken pox, flu, HIV, and H1N1 viruses living? They are among the smallest microbes, but they can make people fell ill. So are they living.
Viruses are usually kept on the borderline between living and non living beings. Some features of viruses make them considered as living beings while other lead to the development of opinion of considering them as non living.
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This complete reliability on a host for all their vital processes has led some scientists to deem viruses as non-living. Advertisement However there is also a case to be made for viruses being alive.
Through a deeper understanding of viruses and their functions, the scientific community may come to fully appreciate viruses, whether they are living or non-living in themselves, as significant evolutionary components. The article first addresses the issue of whether or not to consider viruses as living.
Get Full Essay. Get access to this section to get all the help you need with your essay and educational goals. Get Access. Are viruses living or nonliving? Scientist all over are debating whether or not a virus is in fact a living organism. There are many different opinions about this touchy topic from many different scientists. My job was to read through all of these different opinions and.
Viruses make us sick by destroying our living cells. They have the ability to attach themselves to certain types of cells (some viruses can attach to lung cells, others to blood cells, etc.), use them to replicate, and in the process, destroy the cells. (Amazing video of the entire process here.) When this happens exponentially, with millions upon millions of cells destroyed, we get sick. We.
Essay Example. Case Study: Are Viruses Living? Dear Students, You came to me asking a question that has puzzled mankind ever since we have discovered them. Are viruses alive? Are the chicken pox, flu, HIV, and H1N1 viruses living? They are among the smallest microbes, but they can make people fell ill. So are they living or not? In my opinion, viruses are not alive. All living things have the.