Radioactive

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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... 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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... 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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... 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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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 ...

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