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Because the living organism has to replicate the DNA that the virus infects the host with. It can't do this if it is a dead organism.
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Viruses can infect any living organism, including water animals.
Viruses only infect living organisms and since they are not alive, they can not infect other viruses. The question is interesting though.
Viruses can infect any living organism including bacteria, animals and plants.
Some viruses are carried by living organisms. They are called vectors. This is the only way that this virus can infect a host.
Viruses can only live in living organisms (viruses themselves are not actually living). They might infect cells in our body, such as throat cells (infection of throat cells causes sore throat).
they studied viruses and nonliving particles smaller than a cell that may infect living organisms.
viruses are non living and bacteria are living organisms
Because viruses have an impact on living organisms, and are thought to have derived from living organisms. Viruses are also composed of organic molecules.
Viruses are not referred alive because they lack many characteristics associated with living organisms. Viruses lack the ability to reproduce without the aid of another cell to infect. Furthermore, viruses don't divide or replicate like the typical cells.
these are viruses that infect bacteria and fungi respectively. that is unless you are talking about something that infects other types of organisms, in that case there is no such thing as bacteria and fungi are types of organisms where as viruses are in the grey zone between living and nonliving.
Yes viruses infect cells.
viruses are not living organisms. They simply attach to a cell and when the cell reproduduces the virus is reproduced with the new cells.
Viruses aren't living organisms because they have no biological processes and can't reproduce on their own MORE
First Answer:Viruses are different from living organisms because:Viruses need host cells to reproduce.The do not perform cellular respiration.Viruses also need no nutrition, minerals or food. They need nothing other than a host.Second Answer:Viruses ARE living organisms.
Viruses are not considered to be living organisms because they do not have the characteristics of living organisms. They must hijack the host cell and take over the hosts' cell DNA. They then direct the host DNA to make virus genetic material, assemble the virus parts and then burst out of the cell to infect more host cells.
Viruses cannot divide or grow on their own; they can only divide and multiply when they infect a host organism. Viruses that infect bacteria are known as bacteriophages.Bacteria can divide on their own and multiply; they have their own intracellular mechanisms for generating energy from substrates such as sugar (or other).In essence bacteria are independent living organisms where as viruses are not.
Scientists consider dormant virions to be nonliving organisms. However, active viruses are considered to be living organisms, by most scientists.
Active (non-killed) viruses are living organisms.
viruses are non-living organisms
YOU don't infect other computers with viruses.
Bacteriophages are viruses that infect bacteria.
Viruses are considered to be parasites because a virus will infect a living Cell and use it just like a parasite does.
No viruses should not be considered living organisms because they require a host to live &therefore are not an organism but an infestation.
viruses are on the borderline of living and non living while organisms are living, viruses are simple structured, they have a DNA strand surrounded by a protein coat and sometimes a tail while organisms consist of complex cells
Viruses are target specific
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