Question 6: What do you think is the composition of the medium in the master plate (minimal, minimal supplemented with one amino acid, or rich)? Rich O Minimal supplemented with one amino acid Minimal

Which of the following options shows the correct order of fastest to slowest motion of chloride ions, glycine and proteins through the separating gel?      Chloride ions > Proteins > Glycine     Glycine > Chloride ions > Proteins     Chloride ions > Glycine > Protein     Protein > Chloride ions > Glycine You are trying to separate a mixture of AMP, ADP, and ATP using ion exchange chromatography. Select appropriate supplies for your experiment.     A positively charged column, deprotonated buffer, NaCl of same concentration.       A positively charged column, protonated buffer, NaCl of increasing concentration.       A negatively charged column, protonated buffer, NaCl of increasing concentration       You cannot separate nucleotides using ion exchange chromatography.

Five dialysis bags, impermeable to sucrose, were filled with various concentrations of sucrose and then placed in separate beakers containing an initial concentration of 0.6 M sucrose solution.  At 10 minute intervals, the bags were weighed and the percent change in mass of each bag was graphed.     Which line represents the bag that contained a solution isotonic to the 0.6 M solution at the beginning of the experiment?   Which line represents the bag with the highest initial concentration of sucrose?   Which line or lines represent bags that contain a solution that is still hypertonic at the end of 60 minutes?   What is the best explanation for the shape of line e. after 50 minutes?

You have a culture of cells at 3.5 x 108 cells/ml and you want to prepare a fresh 5 ml culture with a starting density of 1 x 104 cells/ml. What volume of the old culture do you add to the new 5 ml culture?

"If you count 70 colonies from a urine culture obtained using 0.001ml calibrated loop, how many colony forming units (CFU) will be reported?"     70     700     7000     70000     700000

Question 2  The Kirby-Bauer disk diffusion method is often used in clinical diagnostic labs.   Question 2 options:   a) True   b) False

Question 4 a) Explain the importance of reducing exposure dose and time to a patient undergoing a diagnostic X-ray examination. Describe ways to achieve this. b) Calculate the wavelength of the most energetic X-rays produced by tube operating at pd of [1.4]

Can you help me identify A and B?

d/e/1FAIpQLSfTle9UfP15_VUqFI-ACEQd1XBykXv5Lr4dEMQbLJ1d6fCupw/viewform Students subjected three samples of five different molecules to gel electrophoresis as shown in Figure 1 A B C DE +2 3 Wells 4 8. Which of the following statements best explains the pattern seen on the * gel with regard to the size and charge of molecules A and B? 1 point molecules A and B are positively charged, and molecule A is smaller than molecule B. molecules A and B are positively charged, and molecule A is larger than molecule B. molecules A and B are negatively charged, and molecule A is smaller than molecule B. molecules A and B are negatively charged, and molecule A is larger than molecule B. Sign out

Which of the following options shows the correct order of fastest to slowest motion of chloride ions, glycine and proteins through the separating gel?      Chloride ions > Proteins > Glycine     Glycine > Chloride ions > Proteins     Chloride ions > Glycine > Protein     Protein > Chloride ions > Glycine