Place 3 mL of egg albumin solution in each of the two test tubes. To one test tubes add 5 drops of mercuric chloride and to another test tubes add 5 drops of silver nitrate. Describe the results
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Place 3 mL of egg albumin solution in each of the two test tubes. To one test tubes add 5 drops of mercuric chloride and to another test tubes add 5 drops of silver nitrate. Describe the results
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- Place 3 mL of egg albumin solution in each of the two test tubes. To one test tubes add 5 drops of mercuric chloride and to another test tubes add 5 drops of silver nitrate. Does precipitate form? Add excess reagent and note whether the precipitate is increased or dissolved. Describe the results.By alkaloidal reagent Place 3mL of egg albumin solution in each of the two test tubes, to one tube add 1 – 2 ml of tannic acid solution and to other one picric acid. Describe the appearance of the protein solutions in each of the tubes after addition of the alkaloidal reagents.Which of the following gives a positive result for acrolein test?*
- What is the purpose of Biuret’s test? In biuret’s test, does the color in each test tube containing the sample vary? Why or why not?While conducting the Hydrogen Sulfide Test you open up one of the tubes and it gives off a rotten egg smell while another tube you cultured does not. What does the smell indicate? How come there was no change in color in the tube that indicated a positive test? Explain how the color change is to occur. Think critically.Based on the same data from the previous question: cu jv se 31 + + se 99 + jv se 8 + jv + 358 cu + se 366 cu + + 7 + + + 27 cu jv + 104 What is the map distance between curled and sepia?
- Can you show the step by step process of Voges Proskauer Test using a schematic diagram?What test must be performed as a resault of the needle stick?Based on this video: https://youtu.be/3PYdMaClUmw Observation Interpretation Test Tube 1 H2O2 + 1 piece uncooked potato + 1 mL H2O Test Tube 2 H2O2 + 1 piece cooked potato + 1 mL H2O Test Tube 3 H2O2 + 1 piece uncooked potato (cut into small pieces) + 1 mL H2O Test Tube 4 H2O2 + 1 piece uncooked potato + 1 mL vinegar
- What part of the test tube changes color first (in Resazurin Reduction Test)?At the station there is a 2 mL microcentrifuge tube containing sheep blood and 3 tubes containing the following solutions: 0 mM, 300 mM, 600 mM of sucrose. The tubes are randomly labelled A, B, C. 2 mL of each solution were transferred to a different microcentrifuge tube, 20 ul of blood were then added to each tube, and they were mixed well by inverting the tube for multiple times. They were observed and it was determined whether the solution in each tube was hypotonic (Yes or No) relative to the blood cells. In addition, the solutions were diluted with water to help you determine which solution is which sucrose concentration. What sucrose concentration corresponds with each tube? Tube Hypotonic (Yes/No) Hypotonic after 1:1 dilution with water (Yes/No) Most likely Sucrose concentration (mM) A No Yes B Yes Yes C No NoWhile conducting the Hydrogen Sulfide Test (SIM Agar) you open up one of the tubes and it gives off a rotten egg smell while another tube you cultured does not. What does the smell indicate? How come there was no change in color in the tube that indicated a positive test? Please explain how the color change is to occur. Think critically.