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Animals can live without oxygen
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Old 10 Apr 2010, 22:12   #1 (permalink)
Shas'O
 
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Default Animals can live without oxygen

http://gizmodo.com/5511882/animals-t...d-to-exist-now

Bit of a jump on the last part that this garantees alien life. It does increase the chances of there being life elsewhere by increasing the range where life can be found though so maybe not by much.
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Old 23 Apr 2010, 13:11   #2 (permalink)
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Default Re: Animals can live without oxygen

Well this is true and untrue. Anaeobic organisms are plentiful throughout the world, but that simply means they do not respire using oxygen. When reading you notice that these organisms take up leucine, a typical amino acid. I'd imagine this organism takes up leucine in order to make proteins, which are linked by amide bonds, which include a carbonyl (C=O) group at every link. They require oxygen from the external environment, more accurately, they require fixed (bound to something else) oxygen most likely produced by another organism.

I mean bacteria, and yeast both have fermentation processes, this is another; albeit it lives in quite the environment.

EDIT: In fact, quite a few comments below the article go into much more detail, but are also a little more angsty .
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Old 27 Apr 2010, 21:26   #3 (permalink)
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Default Re: Animals can live without oxygen

All life requires some sort of sustaince, and just because these don't take oxygen as one of their energy sources doesn't surprise me in the slightest.
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Old 14 May 2010, 03:27   #4 (permalink)
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Default Re: Animals can live without oxygen

Yes.

http://en.wikipedia.org/wiki/Anaerobic_respiration

This is surely a new development that has been unheard of in recent times. [/sarcasm]

Also, there is FAR more to life than merely animals; this is just the first MULTICELLULAR life, which means the potential for intelligent life. This also does not guarantee alien life; the only thing that could do so is if we found a planet which was clearly inhabited by life. Until then, nothing is guaranteed; the chances of the right organic chemicals mixing at the right time is still diminutive.
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Old 14 May 2010, 07:12   #5 (permalink)
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Default Re: Animals can live without oxygen

Quote:
Originally Posted by Spiritbw
http://gizmodo.com/5511882/animals-t...d-to-exist-now

Bit of a jump on the last part that this garantees alien life. It does increase the chances of there being life elsewhere by increasing the range where life can be found though so maybe not by much.

Yeah, but Stephen Hawking tells us not to talk to strange aliens.
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