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Leads

Lead stomatitis

oral manifestation of lead poisoning consisting of a bluish-black line following the contours of the marginal gingiva where lead sulfide has precipitated due to the inflamed environment.


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On the number of limbs.

Four-finned ancestors, not too surprisingly, leads to four-limbed descendants. Arthropods have been a bit more flexible, but the general trend seems to have been toward leg loss, as in insects. Plus wings that did not start as legs.

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by Darby
Tue Feb 05, 2013 7:46 pm
 
Forum: Evolution
Topic: On the number of limbs.
Replies: 7
Views: 539

holographic origin of life

... self organised system.For instance, if the first case is the true one, you expect that there is a certain recipe and velocity of giving food, that leads to an extraordinary rise in its life span, because this is determined by reactions in a mathematical way and not adjusted by the organism. Also, ...

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by minasole
Thu Dec 20, 2012 8:12 am
 
Forum: Evolution
Topic: holographic origin of life
Replies: 5
Views: 1250

Hermaphrodite Reproduction

... a documented case where both gonadal tissues function; contrary to folk rumors of hermaphrodites being able to impregnate themselves." This leads us to believe that the chances of an individual with two fully developed, functioning sets of sex organs existing is rare at best. Moving on, ...

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by cbridges
Sun Dec 16, 2012 6:24 pm
 
Forum: Human Biology
Topic: Hermaphrodite Reproduction
Replies: 0
Views: 388

cellular mechanisms that result in symptoms of cholera

... it to permanently ribosylate the Gs alpha subunit of the heterotrimeric G protein. This results in constitutive cAMP production, which in turn leads to secretion of H2O, Na+, K+, Cl−, and HCO3− into the lumen of the small intestine and rapid dehydration. The gene encoding the cholera toxin ...

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by adithya528
Tue Dec 11, 2012 1:49 pm
 
Forum: Cell Biology
Topic: cellular mechanisms that result in symptoms of cholera
Replies: 4
Views: 1087

Creationism is not scientific

... everything they observe. Creationists have no objective outlook on science. Real scientists, by contrast, must always follow where the evidence leads, regardless of whether that evidence overturns a generally accepted theory or even a cherished personal belief. A scientific hypothesis is almost ...

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by Forests
Sun Nov 11, 2012 7:10 pm
 
Forum: Evolution
Topic: Creationism is not scientific
Replies: 24
Views: 3122
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