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Radioactive

radioactive

Giving off radiation.


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Newbie question about the first life

... earthly life needs and that electric discharges in the atmosphere (lightning) helped to put together (also UV radiation, radiation issuing from radioactive elements in exposed rocks and shock waves caused by lightning and meteors, but to a much lesser extent). Monomers started to come together ...

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by piscilactovegetarian
Tue Feb 25, 2014 10:21 am
 
Forum: Molecular Biology
Topic: Newbie question about the first life
Replies: 14
Views: 10525

Cell Cycle Question

Hi, I'm studying this practice test and it has this question about radioactive thymidine exposure during the cell cycle. I understand that it takes 1 hour for Radioactive thymidine to be first detected due to the length of G2, which, paired with S phase, ...

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by bytesyzechic
Wed Nov 07, 2012 2:10 am
 
Forum: Cell Biology
Topic: Cell Cycle Question
Replies: 1
Views: 1791

Idea to determine order of assembly of spliceosome

... with a couple of extra steps. 1. Ligate a traget gene to a vector with some kind of bacteriophage RNA-pol promotor 2. In vitro transcription with radioactive nucleotides 3. Extraction of pre-mRNA 4. Run agarose-gel where I can identify and roughly determine the size of my marked RNA 5. Add RNA ...

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by nukeman
Mon May 28, 2012 7:48 pm
 
Forum: Molecular Biology
Topic: Idea to determine order of assembly of spliceosome
Replies: 15
Views: 7821

Re: Molecular gene (genome) concept scientifically untenable

... these species we distinguish as “nuclides”. For example P-31 with 15 protons and 16 neutrons is the stable phosphorus nuclide, which is not radioactive. When the neutron number increases to 17 it becomes P-32 and its property changes. It becomes radioactive. This nuclide is still called ...

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by PAWahid
Sat May 12, 2012 2:29 am
 
Forum: Molecular Biology
Topic: Molecular gene (genome) concept scientifically untenable
Replies: 12
Views: 28991

Re: UV Reflective Staining

... material" fluroesces un UV? Because uranium glows under UV light . And didn't say 'all' - that's your words. I said it could be 'radioactive materials' (of which uranium is one, uranyl acetate is another - both glow under UV light). Anyway, other potential candidates include phosphorus ...

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by JoshuaFlynn
Mon May 07, 2012 11:28 am
 
Forum: Human Biology
Topic: UV Reflective Staining
Replies: 9
Views: 7065
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