Which of the following is a technique used to dissolve sterile solid dosage forms? Select one: O a. Trituration O b. Reconstitution O c. Levigation O d. Dissolution
Q: SDS-PAGE. FRAP. thin-layer chromatography. Western blotting. O freeze-fracture microscopy.
A: Protein purification is important for the characterization of the function, structure and…
Q: To determine whether proteins interact with each other which two techniques might you use 1. Yeast…
A: Protein-protein interactions (PPIs) are highly-specific physical contacts that occur between two or…
Q: Match the test with the appropriate reagent/ chemical a. DNA test b. Paper chromatography c.…
A: Genetic material is nothing but the sequence of nucleic acids which is called as DNA. It contains…
Q: 11. You are given a pre-made dilution of 10^-3 and your dilution factor is 10^-7 from which 100…
A: Concentration is the term used to define the amount of a substance present in a solution. It can be…
Q: We want to test different concentrations of an antibiotic to see how well it can kill bacteria on a…
A: Introduction:- The Agar dilution of the method is the currently the reference that standard the…
Q: What methods did the authors use to prove they have the right material? 4,4'-DIBROMOBIPHENYL…
A: The objective of the question is to understand the methods used by the authors to confirm that they…
Q: (a) You decide to purify the 5-HT 2A receptor. The protein has a predicted molecular Mass of 46.54…
A: Formation of the peptide bond neutralises any charge due carboxyl group, therefore the net charge on…
Q: If you had cultures of B. subtilis and E. aerogenes and forgot to label them, which of the following…
A: Some bacteria produce indole by deamination of amino acid tryptophan and shows positive indole test…
Q: Which of the following is similar to a block of highly purified “jello-like” substance that is not…
A: Micropippete is laboratory equipment used to transfer small quantities of liquid. Restriction…
Q: Sample A: Sample B: Sample C: Sample D: Sample E: Sample F: 22mm 18mm 35mm 30mm 28mm 28mm 21mm 17mm…
A: Introduction The zone of inhibition is the area around an antibiotic pot where bacteria cannot grow.…
Q: Which of the following are positive for the production of indoor from the amino acid tryptophan?
A: indole is produced by reductive deamination from tryptophan through the intermediate molecule indole…
Q: Which of the following is FALSE? Question 3 options: A Some bacteria reduce nitrate to nitrite…
A: Biochemical tests are the basic tests that are used for bacterial identification. These tests help…
Q: up an agarose gel in order : A. Let the gel solidify B. Turn on the current and run gel . C. Pour…
A: A polysaccharide, generally extracted from certain red seaweed. It is a polymer of agarobiose…
Q: A relatively large zone of inhibition surrounding an antimicrobial disk on a Kirby-Bauer test plate…
A: The Kirby-Bauer test was developed by William Kirby, A. W. Bauer and their colleagues. It is also…
Q: Each liter of an intranasal antibiotic solution contains 160 mg of gentamicin. You have 2-mL…
A: A number of gram-negative infections are treated with the aminoglycoside antibiotic gentamicin.…
Q: thanol has been carried over into your DNA sample (two answers possible here, select both of them)…
A: DNA is not soluble in ethanol . But when ethanol is there DNA gets separated by forming white…
Q: If a technician examined a Kirby-Bauer assay and found individualcolonies of the plated microbe…
A: Prokaryotes are the primitive organisms that were the first to develop and harness life on Earth.…
Q: The acid fast technique is also known as: A. Ziehl-Neelsen stain B. Auramine-rhodamine stain C.…
A: Acid fast bacteria are gram positive bacteria . They are unique among prokaryotes and normal gram…
Q: Create a diagram of the steps in the Most Probable Number test. You may insert a computer-made…
A: The MPN is a test used to evaluate the viability microorganism water sample and consist of…
Step by step
Solved in 3 steps
- Refer to the following diagram: 100 ul 100 uL 100 pl 100 µL 100 pl 100 pL 100 pl Volume to transfer A B C D E F G 900 uL in each tube 10 102 10 10 10 10 10 Dilutions E.CoN culture Volume of the diluted sample plated 100 ul 100 μL 100 pL 100 ul Volume of the 10 ml 10 ml original sample plated 10 ml 10 ml Plate D Plate E Plate F Plate G Given that Plate D has too many colonies to count, and Plate G has no colonies at all as a result of serial dilution, draw out all four plates and demonstrate what they might look like (assuming serial dilution has been performed correctly). Based on your drawings, identify the number of CFU/ml for Plate E and Plate F. Show your calculations.Enteral feeding is an essential component of care for rabbits recovering from illness, as it does all but one of the following... a) rehydrates stomach contents b) prevents hepatic lipidosis c) promotes gastrointestinal motility d) retains caloriesWith an accompanying brief narrative, write a short lab report (brieflydescribing what you did) and in a results section, show your standard curve andtabulate the concentration of the unknown protein samples provided using thethe Bradford Assay and UV absorbance)
- Which of the following is a reason to run simultaneous tests on known positive and negative controls when identifying an unknown microbe using biochemical tests? O The controls maintain the differential qualities of the test medium The controls will ensure that the unknown microbe multiplies on the medium O The controls can show if there was contamination of the tubes with another species O The controls can show if there was a recent mutation in your unknown microbe MacBook Air DII F12 80 888 F7 F5 F4 F3 * & %2$ %23 6 7 8. 4 5After trypsinization of cells in the flask and cell counting, you determined a concentration of 10 million cells/mL. What volume of this cell suspension will you use to prepare a 20 mL cell suspension (200,000 cells/mL) for a 24-well plate? O a. 0.4 ul b.0.4 mL Oc. 40 mL O d.40 µL e. none of the abovePlease explain why is 70% ethanol used as an effective disinfecting solution in labs? Why not 95% ethanol? Please include references.