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- Let me tell you about their task: The students were provided with 5 drinks (sports/soft drinks) and they were asked to determine the glucose concentration in these drinks in the units of g/100mL. (Why these units? Well, once the students have the concentrations in g/100mL they will be able to compare their values with the nutritional values given on the drink bottles’ labels). The samples of the five drinks were all diluted 1/100 (i.e. by a factor of 100). This was an essential step in the method because, without it, the machine used to analyse the glucose concentration (spectrophotometer) would have given an error as the concentration would have been too high for accurate detection. What this means for the students is that the dilution factor will have to be taken into consideration in their calculations (remember the aim is to calculate the concentration in the original drink and not in the diluted drink). The students decided to save time and form five groups where each group was…Strontium phosphate, Sr3(PO4)2Sr3(PO4)2, dissociates when placed in water. This compound has a solubility of 0.112 mg/L in water at 20 °C. Calculate the Ksp of Sr3(PO4)2Sr3(PO4)2. Please write your answer using scientific notation according to the following format: 0.0010 would be writen as 1.0*10^-3.A patient weighing 185.0 lb is prescribed a 10.0% IV Flebogamma immunoglobulin (IG) solution for primary immunodeficiency. The recommended dose is 300.0 mg IG per kg body mass. Assuming a maximum infusion rate of 5.00 mg/kg per minute, how many hours will it take to administer the recommended dose?
- Case Studies An 18-year-old male high school student who had a 4-year history of diabetes mellitus was brought to the emergency department because of excessive drowsiness, vomiting. and diarrhea. His diabetes had been well controlled with 40 units of NPH insulin daily until several days ago when he developed excessive thirst and polyuria. For the past 3 days, he has also had headaches, myalgia, and a low-grade fever. Diarrhea and vomiting began 1 day ago Chemistry Test Results Sodium 126 mmol/L Urinalysis Results Specific 1.012 gravity pH 5.0 Glucose 4+ Ketone Large Potassium Chloride Bicarbonate Plasma glucose 6.1 mmol/L 87 mmol/L 6 mmol/L 600 mg/dL BUN Creatinine Serum ketones 48 mg/dL. 2.0 mg/dL 4+ 1. What is the probable diagnosis of this patient 2. What laboratory test(s) should be performed to follow this patient and aid in adjusting insulin levels? 3. Why are the urine ketones positive? 4. What methods are used to quantitate urine ketones? Which ketone(s) do they detect?The concentration of a biomolecule inside a rod-shaped prokaryotic cell is 0.0043M. Calcuate the numer of molecules inside the cell which is 2.8 micrometers long and 1.4 micrometers in diameter.Use this video to answer the questions: https://www.youtube.com/watch?v=BocfSXdbaU0
- Compare and contrast the effectiveness against microorganisms, modes of action, limitation, and use/application of the three following chemical agents: Isopropyl alcohol, chlorine, and phenols.I conducted an experiment using a glucometer with a lancet. Solutions were prepared to measure the glucose level. It was successful, however when fruit juice was measured it gave the most incarnate reading of them all. What can be done to improve the sensor performance for the analysis of the sugar content in juice?Erwin Smith wants to determine the average concentration of amino acids present in the spinal fluid of Eldians. He assigned four people to complete this task. Who among these four people will be able to obtain the best results? a.Levi Ackerman, who obtained samples from 100 Eldians from Wall Maria b.Mikasa Ackerman, who obtained samples from 100 Eldians from Wall Rose c.Hange Zoe, who obtained samples from 50 Eldians inside Wall Sina and 50 Eldians from Wall Rose d.Armin Arlert, who obtained samples from 34 Eldians from Wall Maria, 33 Eldians from Wall Rose, and 33 Eldians from Wall Sina
- The recommended daily dose of calcium for an 18-year-old male is 1200 mg. If 1.0 cup of whole milk contains 290 mg of calcium and milk is his only source of calcium source, how much milk should an 18-year-old male drink each day in mL? Suppose the child is lactose intolerant, do some research and explain what type of milk would be a good substitute for the child. Please give mg of calcium per cup of alternative milk value, and show calculations for how much of the alternative milk an 18-year-old male should drink each day in mL. (Hint: 1 cup = 236.588 mL) Show all work. Give numerical answers in 2 significant figures.Give two examples of toxins or enzymes produced by Staphylococcus aureus. Explain the pathogenic significance of each. Why is Staphylococcus aureus considered a pathogen, while Staphylococcus epidermidis is not? How do selective and differential media help microbiologists identify microbes? What might contribute to the misidentification of a microbe when flow charts are used? How do flow charts promote efficiency in the clinical lab?A bacteria culture initially contains 100 cells and grows at a rate proportional to its size. After an hour the population has increased to 350. (a) Find an expression for the number of bacteria after t hours. P(t) = (b) Find the number of bacteria after 2 hours. (Round your answer to the nearest whole number.) P(2)= Bacteria (c) Find the rate of growth after 2 hours. (Round your answer to the nearest whole number.) P'(2) = bacteria per hour (d) When will the population reach 10,000? (Round your answer to one decimal place.) Hr