1. What is the major protein found in egg white? In milk? 2. What caused the results you observed? What is/are responsible for these? 3. What would explain the difference in the observed result for egg white and for milk?
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- Give the FORMULA and SOLUTION. 1. A nurse practitioner prescribes clindamycin (Cleocin) Oral Susp 600 mg po qid; Directions for mixing: Add 100 mL of water and shake vigorously. Each 2.5 mL will contain 100 mg of Cleocin. How many tsp of Cleocin will you administer?The original concentration in a sample of kombucha is 2.79 x 10^6 CFU/ml. Which dilution would yield a countable plate? How would you make this? Show your calculations. Confused as to what's implied by "which dilution"? does it mean, how many times?I have: DMEM:F12 800X ITS 1.07 g/ml Linoleic acid Nu-serum (pure solution) BSA (pure powder) How much of each would I need to make 500ml of (1x ITS, 7.49 ug/ml linoleic acid, 4% v/v Nu-serum, 0.15% W/V BSA, and DMEM:F12 as the solvent)?
- Codeine 6 mg/ mL Simple syrup qs ad 2 floz (60 mL) a. Calculate the number of grams of codeine needed b. If we have codeine 30 mg tablets in stock, how many tablets are required? c. Calculate the percentage strength and ratio strength of this preparation 2. Acetazolamide Using Acetazolamide 250 mg tabs X 10 Simple syrup qs 100 mL a. Make qs 250 mL b. Find concentrationHow many mL of 13x stock solution would you need to make 387 mL of 1x PBS. Report your answer to 1 decimal place.30. What test could distinguish between palmitate and linoleic acid? a. Huble's test b. saponification c. both a and b d. neither a nor b 36. What was added to the sample prior to heating in acrolein test? a. KHSO4 b. ethanol c. both a and b d. neither a nor b 37. Which of the following is a general test for lipids? a. solubility test b. Huble's test c. both a and b d. neither a nor b
- My question is: Could you explain steps? (etc. why do we heat or add chemicals like nacl or ammonium sulphate?) 1)Casein Isolation from MilkExperimental Procedure* Put 100 ml of milk in a 500 ml beaker and heat it to 40 0C. * Also heat 100 ml acetate buffer and slowly add it to the beaker with milk while stirring. * The final pH of the mixture should be 4.8. * Cool the suspension to room temperature and wait 5 more minutes before filtering. * Wash the precipitate several times with small volumes of water and then suspend it in approximately 30 ml of ethanol.Filter the suspension in the buchner funnel and wash the precipitate a second time with a mixture of equal proportions of ethanol and ether. * Finally, wash the precipitate on filter paper with 50 ml of ether and soak and dry. * Make the ether evaporate by spreading the powder. * Weigh the casein and calculate the percentage yield of the protein. * Compare with theoretical yield of 3.5 g per 100 ml milk. 2)Purification of Egg…10 mL of 0.5 M CuSO₄ * 5H₂O solution from 10 M CuSO₄ * 5H₂O solutionYour supervisor asks to make 350 mL of a 0.75% (w/v) starch solution using a 5% (w/v) stock solution. You have calcuated how much stock solution you need. But, how much water (in mL) will you need to add to the stock to achieve the correct final concentration?
- How much of 10,000x SYBR safe would you add to 50 ml to make a final concentration of 1x? V1= 0.005mL B.How will you set up the serial dilution? How many tubes do you need? What is the concentration in each? How much LB will you add to each tube? What volume of cells will you add?Prepare 50 plates of Sheep's Blood Agar using 100mm petri dish. Add 10% of blood to the media. (Manufacturer's instructions: Suspend 38 g of blood agar base dehydrated powder in 1 liter of distilled or deionized water.) Pour 25 mL of prepared medium per plate. Express answer to the nearest whole number. How many grams of the dehydrated powder should be weighed? Answer: What is the volume of distilled water that should be used in the preparation? Answer: What is the volume of sheep's blood that should be added to the sterilized and cooled blood agar base? Answer:1. The prescription for an oral solution reads “1 tbsp ac & hs x 10d.” What is the minimum (in mL) of solution should you dispense? 2. A nursing floor requires half liter of 50% isopropyl alcohol. How many mL of 70% isopropyl alcohol will be needed for compounding this order? 3. How may grams of pure dextrose is needed to prepare 100cc of D50W?