Solubility Test Ninhydrin test iodoform test Observations + or - no colored spots on filter paper clear pale-yellow solution clear red-orange solution Br2/CH2C12 (dark) Molisch test turbid colorless solution Tollen's Test clear, colorless solution
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- Hi. Based on the table i need to answer the questions. The table doesnt need to be filled. Tube Solution Reaccion of color Benedict Reaccion of color mud x x x x x x x x x x x x x x x x x x x x x x x x 7 10 drops of starch solution blue Ambar 4. In the starch iodine test, which solution is a negative control? Positive? B. Use the following table to answer the questions related to the Biuret protein test (5 - 7): Tube Solution Reaccion of color 1 2 mL egg albumin Violet 2 2 mL honey blue 3 2 mL solution of amino acid Violet 4 2 mL destilled water blue 5 2 mL solution of protein Violet 5. In the Biuret test, which of the solutions is a negative control? Positive?6. Which contains more protein (C-N bonds): egg albumin or honey? Explain. 7. Do free amino acids have peptide bonds? C. Answer the following questions: 8. Why does the methylene blue dye stain the nuclei in onion cells? 9. What is…a. Silver reduction test: What is the substance responsible for the color production? b. Jaffe’s test: To what is the color due to? c. Ammoniacal zinc chloride test: What compound is responsible for the color? What are the pigments normally present in urine? d. Sulfates: From what substance are sulfates derived? In what conditions is sulfate elimination increased? e. Detection of Chlorides: What is the normal amount of chlorides eliminated in 24 hours? In what forms are they eliminated? In what conditions is the elimination diminished and eliminated increased? What is a threshold substance? Is chloride a substance substance? f. Detection of Phosphates: What is a triple phosphate? When it is formed? What are the sources of the phosphates found in urine?I do not understand the results of this experiment, explain what the results of this experiment are and the purpose Table 2 Absorbance vs CoCl2 concentration Test Tube Number Cobalt Chloride Concentration (mol/mL) Absorbance at 510 nm 1 0.000 0.000 2 0.009 0.024 3 0.018 0.055 4 0.027 0.085 5 6 0.036 0.045 0.112 0.138 7 (Unknown) 0.088
- Which of the following is FALSE about the Nitrate Reductaion Test, procedure and interpretation? Question 2 options: A Nitrate medium contains 0.1% potassium nitrate as a substrate B Reagent A and B are used to determine the presence of nitrite C When zinc is added, it will react with any nitrate and turn red D A tube with red after zinc is a positive test for nitrate reduction E A tube that turns red after reagent A and B is a positive testexplain what the results of this experiment are and the purpose Table 2 Absorbance vs CoCl2 concentration Test Tube Number Cobalt Chloride Concentration (mol/mL) Absorbance at 510 nm 1 0.000 0.000 2 0.009 0.024 3 0.018 0.055 4 0.027 0.085 5 6 0.036 0.045 0.112 0.138 7 (Unknown) 0.088Order: cefoxitin sodium (Mefoxin) 200 mg IM Q4HSupply: 1g powderDiluent: 2 mL sterile waterConcentration 400 mg/mLRound to the nearest tenth How many mg per mL: Nitroglycerin 50mg in 500 mLD5W
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- Blood added with 25 ml distilled water + submerged in water bath, added 1-2 drops of 10% acetic acid = brownish precipitate the brown precipitate was then filtered. The filtrate is placed on the test tube for about 2ml and was added with Benedict's reagent (4 drops). Then was boiled in the water bath. The solution became green.What is the chemical equation?A test procedure calls for 5 mL of undiluted specimen. 2 mL of a 1:50 dilution is used. The answer obtained is 30 mg/dL. What answer should be reported?how to make 100ml of TBST buffer from 1X TBS (tris buffered saline solution) and 0.1% tween-20. I am just confused how to do the calculations when it is 1X TBS and not 10X TBS. Please show calculations
