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 What are viruses?

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tgrrr
post Aug 6 2009, 01:26 PM

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QUOTE(cherroy @ Aug 6 2009, 12:26 AM)
Why we can't consider it is another life-form?

Why must basic of rules of living organism must be born? cannot just based on replicate? Bacteria also replicating, but it is considered a life form.
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QUOTE(MysticShadow @ Aug 6 2009, 02:58 AM)
About reproduction of viruses, replication isn't just unique to them. All unicellular organisms do that.

Just like yin and yang, prokaryotes and eukaryotes, single-celled oragnisms and multi-cellular organisms, I think viruses, being a non-cellular lifeform, they just stand at the other end of the scale as part of the balance to diversity. smile.gif
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Bacterias as with all other currently accepted lifeform uses cell division to replicate.
Viruses do not "replicate" the same way. They take over host cell machinery, and cause it to start assembling multiple copies of viruses. This make is comparable to prions which is an even simpler structure and contains no RNA or DNA whatsoever.


QUOTE(communist892003 @ Aug 6 2009, 02:43 AM)
I know there is another kind of virus...Tat is human...If an animal in an area finished off some kind of resources, they tend to adapt the change and seek other resources...But we human are different, WE tend to finished everything in specific area and then spread to another new area and sux everything off....Spreading their seed as well to other part of world....THat is whhat virus would do as welll
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That's what Agent Smith said in The Matrix.
tgrrr
post Aug 6 2009, 06:05 PM

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Mitochondria is another great mystery. It has it's own ribosome, performs cell division with the cell's nucleus, and could have been an independent organism that's merged into our cells somewhere along the evolution line and co-evolved together until today.
tgrrr
post Aug 7 2009, 09:56 AM

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FYI Malaysians visiting US are called Non-Resident Aliens.

 

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