biolab3 - would be a normal patients urine sample. Any...

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Joseph Vallillo 10/5/11 Section Number: F1 1. The reagent used to measure sugar concentration in this lab was 3,5-dinitrosalicylic acid (DNS). It reacts with the carbonyl functional group. 2. The reagen used to measure protein concentration in this lab was biuret. It reacts and bonds to the peptide bond (carboxyl and amino group) in the amino acid chain. 3. The concentration of protein in a solution with an absorbance of 0.77 is 11.75 mg/ml. C u /C s =A u /As C u =2.3*0.77/.19 4. Yes, a patient’s urine had a slight brownish tinge to it, suggesting that it contained hemoglobin. You can quantify the concentration of hemoglobin by using a spectrometer. The blank in this situation would a water solution containing hemoglobin. The standard
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Unformatted text preview: would be a normal patients urine sample. Any wavelength above 650 nm should be used. 5. The most difficult part to understand of the lab was setting up the spectronic 20 spectrophotometer. Question: What control do you use when setting the meter needle to infinity when you are preparing the spectrophotometer? Answer: You use the dark control. 6. The proper citation for the textbook is as follows: Solomon, Eldra Pearl., Linda R. Berg, and Diana W. Martin. 2011. Biology . Brooks/Cole. Belmont, CA. 7. The implications of the diagnosis for each patient would be found in the discussion section of a lab report. 8. The given statement would be found in the results section of a properly written lab report....
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biolab3 - would be a normal patients urine sample. Any...

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