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WorldOfBiochemistry

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Everything posted by WorldOfBiochemistry

  1. Here are the main steps: 1 - Calculate the concentration of BB on the standards (the 5 tubes you have used). Thhey are just dilutions of the stock solution; 2 - Plot the values of the concentration (usually on x axis) and the values of the absorbance (y axis); 3 - Determine the equation obtained from the linear relationship between concentration and absorbance. In that equation, the x means concentration and the y absorbance. 4 - Substitute in the equation the x for the values of the concentrations you need to, and calculate the absorbance values.
  2. It is true, but then each journal has its own specificities, particularly on bibliography format, order of the sections and nam of the sections.
  3. I think so... Indeed, the real substrate for enzymes that use ATP is never the ATP molecule, but is the complex ATP-Mg2+. This ion is important for electric charge shielding of the phosphate groups.
  4. I think the question can also be posed at the opposite way... Would European Union like if USA wants to join it?
  5. The preparation of the sauce, after the addition of the ethanol, how many time?
  6. Do you have the concentration of the stock solution of BB?
  7. Yes, I think you have named the best choices... Nevertheless, there are some important differences between them. Voet is more detailed and Devlin has the boxes with the clinical informations, that are very useful for medical sciences students.
  8. I am not a skeptic, but I agree that there are many bad information that sometimes highlights things that does not deserve to be highlighted. Nevertheless, the weather is changing and would change even in the absence of mankind. We are just accelerating the process...
  9. The best site to perform scientific research is PubMed, on NCBI page.
  10. In my highscool the pipes from a lab were partially destroyed with sodium thrown up to them. I did not see that, but the truth is that the lab was closed for several weeks. Nevertheless, I think that the main reason behind that destruction is the energy released during the contact of sodium with water. It is a very exothermic reaction, and the resulting explosion will certainly damage the pipes.
  11. In theory yes, but then how do you release the magnesium from the aminoacid, inside the cell? Other important issue is that you have to ensure that the transporter will recognize and allow the passage of the new molecule (aminoacid + Magnesium).
  12. With PCR you are unable to check the phosphorylated status. The best way is with immunobloting.
  13. How does an electron commits suicide? He jumps from the hydrogen bridge...
  14. All the popcorns are different. There are no popcorns equal to each other.
  15. I think biochemistry covers a wider range of subjects, and probably it will be a better choice...
  16. I think that strategy would not be successfull, because you must ensure that the magnesium is always bound to the aminoacid. Otherwise, it will diffuse to the medium and aill not entre the cell by the aminoacid pathway.
  17. I also prefer Lehninger. For me is the best biochemistry textbook!
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