Given the following media recipe, pick the terms that apply (pick as many as are applicable). 10.0 g 10.0 g 5.0 g 15.0 g 1.0 L Meat extract Peptone Sodium chloride Agar Water Once media is cool, add 6% sterile sheep's blood Defined Complex Minimal Selective Differential
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- Match the description to the correct medium This medium is enrichment for fastidious [Choose ] bacterial pathogens and differential based on hemolysis [Choose ] This medium is selective based on Tryptic Soy Agar, TSA salt/sodium chloride tolerance at 7.5 % Sabouraud Dextrose Agar, "Sab" agar weight/volume and differential based on mannitol fermentation Mannitol Salt Agar, "MSA" MacConkey Agar, "Mac" agar This medium is selective based on the ability to grow in bile salts and crystal violet and is EMB Eosin Methylene Blue Agar differetial based on lactose fermentation Blood Agar, "BA" this medium is all purpose and can grow a [Choose ] wide range of bacteria and fungiSuspend 28.0 grams in the 1000 mL distilled water. Heat to boiling to dissolve the medium completely. Sterilize by autoclaving at 15 lbs pressure (1210C) for 15 minutes. Cool to 45-500C. If desired the medium can be enriched with 5-10% blood or other biological fluids. Mix well and pour into sterile Petri dishes. 1. Determine the amount of dehydrated medium needed to prepare 50 nutrient agar plates. Include amount for 2 additional plates as excess to compensate for compounding losses.Time point (min) Absorbance of culture at 660nm Approximate cell concentration Approximate # cells in 1mL extract 0 0.298 1.49 x 108 cells/mL 1.49 x 108 cells 10 0.316 1.58 x 108 cells/mL 1.58 x 108 cells 20 0.374 1.87 x 108 cells/mL 1.87 x 108 cells 30 0.429 2.145 x 108 cells/mL 2.145 x 108 cells 40 0.512 2.56 x 108 cells/mL 2.56 x 108 cells 50 0.544 2.72 x 108 cells/mL 2.72 x 108 cells 60 0.607 3.035 x 108 cells/mL 3.035 x 108 cells a. Using these data, prepare a growth curve of this strain ofEscherichia coli (E. coli).b. Estimate the doubling time for this strain of E. Coli. Clearly showhow you estimated this value from the empirical data presented.
- Look at the table below and answer the following questions: Culture 1/10 1/50 1/100 1/200 dilution OD Reading 1 2.0 0.36 0.18 0.11 OD Reading 2 1.9 0.35 0.18 0.08 OD Reading 3 1.8 0.33 0.16 0.09 1. Which 2 dilution levels of the culture are the best to use to compute for its optical density? 2. What is the average optical density of the culture? (use values from 2 dilution levels)List the ingredients and recipe (in gram or milligram) to make one liter (1000 ml) of Trypticase Soy Agar, nutrient agar, and Columbia blood medium (use a tableYou are given reference temperature 121 °C, Z value 10 °C, F0 15 min for killing Clostridium botulinum in commercial sterilization. Calculate F value when sterilized at 131 °C in canning processing.
- do methodologies preparation of the following 6 solutions (Broth LB, LB Agar, Potato-Dextrose Agar, LB-Dextrose Broth, Saline solution 0.85%, Glycerol 80%). Include photos or schematics.Provided with the following data, compute the corresponding CFU/ml of the original culture. Assume that spread plate technique was done. Show your solutions. 10-1 10-2 10-3 10-4 10-5 Plate 1 TNTC 340 132 45 19 Plate 2 TNTC TNTC 242 80 25 Plate 3 TNTC 280 90 22 2Using saline tubes containing 9 ml of saline (for dilutions), draw a diagram that would yield between 30 and 300 colonies from an original broth culture that contains 5 * 10^8 cells/ml. Indicate volumes used and dilutions made for each tube and plate.
- Andrew has to prepare 30 plates (use maximum volume), 15 slants (small test tube), and 15 stabs (big test tube) of Luria Bertani Agar. a. What is the total volume of the medium needed? b. What is the amount of each component needed, given the following media composition per liter of distilled water:Calculate the amount of casein obteined from %20 milk solution with %2 HCl isoelectric point precipitation methoda physician prescribed an antibiotic to be mixed in white petrolatum to produce a 25% antibiotic preparation. The pyscian later changed the protocol to be only 12.5%. How much white petrolatum must be mixed with each 6-oz ointment container of 25% prepartation to make the new 12.5% preparation? Calculate answer in grams. Answer should be 180g