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dilutions
dilutions
What are the resulting dilutions? Notice units of measurement. a) b) c) 500 L...
5. Complete the following dilution table. NOTICE UNITS OF MEASUREMENT Patient Sample (uL) Diluent (mL) Dilution...
5. Complete the following dilution table. NOTICE UNITS OF MEASUREMENT Patient Sample (uL) Diluent (mL) Dilution Factor 10 (1:10 20 "uL 45 uL 50 ul 100 ul 150 uL 0.18 "mL" 0.090 mL 10 C. 0.400 mL 3
Also— what is the dilution factor in tube 2? please show the steps to the answers!...
Also— what is the dilution factor in tube 2?
please show the steps to the answers!
Practice Problems Solve the following practice problems to further master the material. Answers and explanations to some problems can be found at the end of the book. Calculate the dilution factors for the following problems: 1.5 mL sample added to 95 mL diluent 2. 20 mL sample added to 180 mL diluent 3. 40 mL sample added to 200 mL diluent 4. 2 mL...
A bacterial sample has a concentration of 2 x106 CFUlml. Show a scheme of dilutions to...
A bacterial sample has a concentration of 2 x106 CFUlml. Show a scheme of dilutions to obtain 30-300 colonies on a plate. Your scheme should contain the volume of diluent (sterile water), volume of sample transferred each time, the concentration of bacteria (CFU/mL) in each dilution. You can assume you are plating 1 mL of the dilution on plates of nutrient agar. See Figure 1 in protocol 10. Dilution factor in single transfer (change x and y to numbers 10...
please do 5, 6, 7 and also please tell me the dilution factor of tube two...
please do 5, 6, 7
and also please tell me the dilution factor of tube two (that
is number 8 on a different page)
Practice Problems solve the following practice problems to further master the material. Answers and explanations to some problems can be found at the end of the book. Calculate the dilution factors for the following problems: 1.5 mL sample added to 95 mL diluent 2. 20 mL sample added to 180 mL diluent 3. 40 mL sample...
17. One milliliter of plasma is diluted 1/10 in tube 1. Then 1 mL of the...
17. One milliliter of plasma is diluted 1/10 in tube 1. Then 1 mL of the dilution in tube 1 is added to 4 mL in a second tube. One milliliter from tube 2 is then added to 9 mL diluent in tube 3. What is the substance (plasma) volume in the third tube? 18. What is the specific gravity of a substance if 5 mL of the substance weighs 6.5 g, but the substance is only 50% pure? 19.What...
1) if 5 parts sample is added to 10 parts diluents, what is the dilution that...
1) if 5 parts sample is added to 10 parts diluents, what is the dilution that was just made? 2. What is the ratio if 5 parts sample volume is added to 10 parts diluents volume? 3. In a 1 to 3 dilution, what is the dilution FACTOR? 4. In a 1 to 10 dilution, what is the dilution FACTOR? 5. What is the dilution FACTOR if 40 mcL of sample added to 260 mcL of diluent? 6. What is...
1. On a serial dilution with the following tubes set up, 1:2, 1:4, 1:8, 1:16, 1:32,...
1. On a serial dilution with the following tubes set up, 1:2, 1:4, 1:8, 1:16, 1:32, and 1:64, there is no visible agglutination in the 1:64 tube. What is the titer of the antibody? A. 32 B. 16 C. 64 D. Cannot be determined 2. If you want to make 2 mL of a 1:20 dilution, how much serum would be needed? 3. When 1.0 mL of serum is added to 3.0 mL of diluent, what dilution does this represent?...
12. Given a series of 4 dilutions, each 1/5, what is the concentration in tube No....
12. Given a series of 4 dilutions, each 1/5, what is the concentration in tube No. 3 if the original concentration was 100 mg/dL? 13. A 1/2, fourfold serial dilution was performed. The original concentration of the analyte was 1200 μg/dL. What is the concentration of the analyte in the final tube? 7. Calculate the true analyte value given the following information: Analyte diluted using 10 μL into 90 μL diluent; Diluted analyte value = 85 mg/dL.
Search .l LTE 2:48 AM C 77% x Bio 212 - Lab 5 - Solutions Il...
Search .l LTE 2:48 AM C 77% x Bio 212 - Lab 5 - Solutions Il Repeat Proble... ... Lab 5: Additional Dilution Problems You have a stock solution that contains 24 mg/ml of protein, You want to make a set of standards with the following concentrations: 12 mg/ml, 6 mg/ml, 3 mg/ml and 1.5 mg/ml. You need a minimum of 500 ul of each standard after all dilutions are completed. Using the technique of serial dilution, explain how you...
Microbiology Labs Practice Problems 1. You have 1 ml sample of a patient's serum and you...
Microbiology Labs Practice Problems 1. You have 1 ml sample of a patient's serum and you need to make a 1:10 dilutions of it in saline. How much saline you would add to your sample to accomplish that? A. 10 ml B. 9 ml C. 9.9 ml D. 0.9 ml E. 0.99 ml 2. You have 0.5 ml sample of a patient's serum and you need to make a 1:10 dilutions of it in saline. How much saline you would...
5. Complete the following dilution table. NOTICE UNITS OF MEASUREMENT Patient Sample (uL) Diluent (mL) Dilution Factor 10 (1:10 20 "uL 45 uL 50 ul 100 ul 150 uL 0.18 "mL" 0.090 mL 10 C. 0.400 mL 3
Also— what is the dilution factor in tube 2?
please show the steps to the answers!
Practice Problems Solve the following practice problems to further master the material. Answers and explanations to some problems can be found at the end of the book. Calculate the dilution factors for the following problems: 1.5 mL sample added to 95 mL diluent 2. 20 mL sample added to 180 mL diluent 3. 40 mL sample added to 200 mL diluent 4. 2 mL...
A bacterial sample has a concentration of 2 x106 CFUlml. Show a scheme of dilutions to obtain 30-300 colonies on a plate. Your scheme should contain the volume of diluent (sterile water), volume of sample transferred each time, the concentration of bacteria (CFU/mL) in each dilution. You can assume you are plating 1 mL of the dilution on plates of nutrient agar. See Figure 1 in protocol 10. Dilution factor in single transfer (change x and y to numbers 10...
please do 5, 6, 7
and also please tell me the dilution factor of tube two (that
is number 8 on a different page)
Practice Problems solve the following practice problems to further master the material. Answers and explanations to some problems can be found at the end of the book. Calculate the dilution factors for the following problems: 1.5 mL sample added to 95 mL diluent 2. 20 mL sample added to 180 mL diluent 3. 40 mL sample...
17. One milliliter of plasma is diluted 1/10 in tube 1. Then 1 mL of the dilution in tube 1 is added to 4 mL in a second tube. One milliliter from tube 2 is then added to 9 mL diluent in tube 3. What is the substance (plasma) volume in the third tube? 18. What is the specific gravity of a substance if 5 mL of the substance weighs 6.5 g, but the substance is only 50% pure? 19.What...
1. On a serial dilution with the following tubes set up, 1:2, 1:4, 1:8, 1:16, 1:32, and 1:64, there is no visible agglutination in the 1:64 tube. What is the titer of the antibody? A. 32 B. 16 C. 64 D. Cannot be determined 2. If you want to make 2 mL of a 1:20 dilution, how much serum would be needed? 3. When 1.0 mL of serum is added to 3.0 mL of diluent, what dilution does this represent?...
Search .l LTE 2:48 AM C 77% x Bio 212 - Lab 5 - Solutions Il Repeat Proble... ... Lab 5: Additional Dilution Problems You have a stock solution that contains 24 mg/ml of protein, You want to make a set of standards with the following concentrations: 12 mg/ml, 6 mg/ml, 3 mg/ml and 1.5 mg/ml. You need a minimum of 500 ul of each standard after all dilutions are completed. Using the technique of serial dilution, explain how you...
Microbiology Labs Practice Problems 1. You have 1 ml sample of a patient's serum and you need to make a 1:10 dilutions of it in saline. How much saline you would add to your sample to accomplish that? A. 10 ml B. 9 ml C. 9.9 ml D. 0.9 ml E. 0.99 ml 2. You have 0.5 ml sample of a patient's serum and you need to make a 1:10 dilutions of it in saline. How much saline you would...
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