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Dissolved oxygen

Dissolved oxygen

(Science: biochemistry) The concentration of oxygen dissolved in water, expressed in mg/l or as percent saturation, where saturation is the maximum amount of oxygen that can theoretically be dissolved in water at a given altitude and temperature.

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Digestive System Evolution

... is an obstacle, I would like to know how evolution overcame that. Also, oxygen continues to exist in the world, and cells must still have that genetic ... chemical slosh (from where prokaryote is formed) not manage to include dissolved oxygen in the various parts of the cell?

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by Tomn
Fri Oct 07, 2011 9:42 pm
Forum: Evolution
Topic: Digestive System Evolution
Replies: 60
Views: 120951

Photosynthesis Theory..

Photosynthesis was producing oxygen both before and after the GOE. The difference was that before the GOE, organic matter and dissolved iron chemically captured any free oxygen. The GOE was the point when these minerals became saturated ...

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by bellyjelly
Tue Jul 12, 2011 10:06 am
Forum: Botany Discussion
Topic: Photosynthesis Theory..
Replies: 12
Views: 15399

Shallow Water Drowning

Another aspect is that the oxygen in your blood is isolated from monitoring because it's inside red blood cells. The bicarbonate is dissolved and easier to access.

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by Darby
Fri Jul 08, 2011 8:45 pm
Forum: Human Biology
Topic: Shallow Water Drowning
Replies: 7
Views: 5979

Any SOLID arguments against evolution?

... because of the extreme environments outside. Larger volumes of oxygen also needed to be developed before an animal could think about becoming one with gills (dissolved oxygen in water was also low) or even lungs. As a final note, saying there was ...

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by MillieKittan
Sun Feb 27, 2011 7:16 pm
Forum: Evolution
Topic: Any SOLID arguments against evolution?
Replies: 309
Views: 592017

The effects of Ocean Dumping to Water Pollution

... wildlife that live near this body of water. These bacteria utilize the oxygen that is dissolved in water. Aquatic animals get suffocated due to lack of oxygen. Some aquatic organism ...

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by bhaby
Sat Oct 17, 2009 3:33 am
Forum: Ecology
Topic: Global Environmental Change
Replies: 68
Views: 110867
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