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Isotopes

Isotopes

atomic species differing in mass number but having the same atomic number.


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Could anyone please help with these questions? (Bio)

If anyone could please help I would greatly appreciate it! Thanks :D Radioactive Isotopes A. Are electrically unbalanced B. Behave the same chemically and physically but differ biologically from other isotopes C. Are the same physically and Biologically but differ ...

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by lindshastude
Tue May 01, 2012 3:50 pm
 
Forum: General Discussion
Topic: Could anyone please help with these questions? (Bio)
Replies: 1
Views: 6796

Re: 5 best proofs of evolution

... say alot longer then 6,000 years.. but what I find intersting is that, and I havent heard this debated yet, the apparently constant decay rate of isotopes is actaully not constant at all, that was an assumption that has now been seemingly proven wrong.. It seems the rate of decay is affected and ...

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by arthuriandaily
Fri Sep 30, 2011 2:26 am
 
Forum: Evolution
Topic: 5 best proofs of evolution
Replies: 170
Views: 245305

Re: 5 best proofs of evolution

... say alot longer then 6,000 years.. but what I find intersting is that, and I havent heard this debated yet, the apparently constant decay rate of isotopes is actaully not constant at all, that was an assumption that has now been seemingly proven wrong.. It seems the rate of decay is affected and ...

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by Zenithar66
Tue Apr 05, 2011 5:44 pm
 
Forum: Evolution
Topic: 5 best proofs of evolution
Replies: 170
Views: 245305

AIDS – a tritium disease?

... of 12 years is 50%. Depending on that where it has penetrated, the harms to a given organism can be very heavy. Unlike the heavy radioactive isotopes, it is not found easily, and it penetrates without a problem and even an atom/ molecule is enough. It is also possible tritium to activate ...

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by enarees
Tue Feb 22, 2011 6:08 am
 
Forum: Human Biology
Topic: AIDS – a tritium disease?
Replies: 23
Views: 13629

Fish transfaunation from public to private waters - how to d

... if a fish caught in a private pond comes from a fish farm or from public waters. The only feasible thing I could come up so far was to use stable isotopes on the scales to check if the fish was raised on highly nutrient pellets in a hatchery and then switched to normal (less nutrient rich) sources. ...

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by VascoResando
Fri Nov 26, 2010 2:39 pm
 
Forum: Zoology Discussion
Topic: Fish transfaunation from public to private waters - how to d
Replies: 5
Views: 3980
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