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If you didn’t get countable colonies and are not able to calculate CFU, consider the possible reasons why this could have happened?
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- Using the data in the photo of the two syringes below, answer these six questions: QUESTIONS 1. Which syringe had the most floating disks? Why? 2. What is the gas being released by the leaf disks? 3. Which syringe is the control? 4. Which syringe is the experimental? 5. What is the experimental variable in this experimental design? 6. List at least two controls in this experimental design.A fellow classmate comes to you to ask your opinion about the following result from this SIM test: (Uploaded Picture). a) Provide a full interpretation and analysis of the results this test. b) Your classmate is not fully convinced about the black coloring seen in this result. Please suggest another type of method that would help confirm this result and what explain what the result should show.Would you expect the results from the MAC test to corroborate the results from the EMB test? Explain why or why not.
- Can you show the step by step process of Voges Proskauer Test using a schematic diagram?Based on the same data from the previous question: cu jv se 31 + + se 99 + jv se 8 + jv + 358 cu + se 366 cu + + 7 + + + 27 cu jv + 104 What is the map distance between curled and sepia?When doing a routine differential count for a CBC how many cells are counted? a) 50 b 75 c 100 d 125 e 150
- Which of the following is false about counting viable cells? A. CFU(Colony forming unit) are counted instead of individuals cells B. Only 30-300 CFUs are statistically valid C. Colonies growing on the plate represent a fraction of the live cells in the original sample D. You can determine the number of live cells in a broth culture E. It is necessary to multiply the by CFUs to determine the number of viable cells in the original sampleYou have performed a serial dilution of an unknown sample and counted 73 CFU on a countable plate that was marked at 10^-4 dilution and you used 0.1 mL to inoculate the plate. What is the population of the original sample?I need assistance with how to read Fletcher Munson graphs. Please help and show me the proper way to analyze these graphs. The previous experts I've asked on this platform were incorrect.
- plates normally show a 10-fold decrease in colony number through the dilutions, e.g. 500 on Plate D, ~50 on E, ~5 on F, and maybe none on G. If this was not observed, what human errors might have contributed to inconsistent serial dilution? How could one ensure proper serial dilution technique for future labs?Hemoglobins from two individuals are compared by electrophoresis and by fingerprinting. Electrophoresis reveals no difference in migration, but fingerprinting shows an amino acid difference. How is this possible?The Leica microscope that we will be using for histology lab has four different objective lenses and an ocular lens. When you are looking at blood cells through the ocular lens and using the 10x objective, the total magnification of the blood cells will be: 1) 400X 2) 10X 3) 100X 4) 20X
