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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.A nurse who created a sterile field for a patient is adding asterile solution to the field. What is an appropriate actionwhen performing this task?a. Place the bottle cap on the table with the edges down.b. Hold the bottle inside the edge of the sterile field.c. Hold the bottle with the label side opposite the palm ofthe hand.d. Pour the solution from a height of 4 to 6 inches (10 to15 cm).Discuss the underlying premise of each test that will be performed in this experiment. a. Biuret Test b. Xanthoproteic Test c. Milson’s Test d. Hopkin’s Cole Test e. Reduced Sulfur Test
- Which is true about Heat and Acetic Acid test? Protein is normally found in the blood and if there is a problem with the kidneys, protein can leak into the urine. It is used to test for albumin in the urine. Protein coagulates when heated. No turbidity of the solution means a negative result of heat and acetic test a. 1 and 2 are correct b. all are incorrect c. 3 and 4 are correct d. all are correctWhile 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.Is organism 1 a plant animal or neither explain what procedure would you used to perform test A then explain how the results of test A allow you to determine wether the test was positive or negative for organism 1?
- what are the benefits of scoring a 9mm skinfold calliper test in sportsWhich of the following is true of the phenol coefficient test? a. It is particularly reliable for chemicals derived from phenol b. Uses phenol as the standard chemical against which other chemicals are compared c. Uses Salmonella typhi and Staphylococcus aureusYou collected 1000 mL of river water from the streamrunning through campus. You prepared dilutions of the water as follows:Tube A. 0.5 mL of river water + 99.5 mL of sterile waterTube B. 1 mL from Tube A + 9 mL of sterile waterTube C. 1 mL from Tube B + 9 mL of sterile waterTube D. 1 mL from Tube C + 9 mL of sterile waterYou then plated 0.1 mL of each dilution onto each of three MacConkey agarplates. (MacConkey agar is type of selective, differential medium. It inhibitsthe growth of Gram-positive microorganisms and non-enteric Gram-negative bacteria. Among the bacteria not inhibited by the medium,lactose-fermenting bacteria form pink colonies and bacteria that do notferment lactose form colorless colonies.) After incubation, the colonieswere too numerous to count on the plates prepared from dilutions A, B, andC. For the plates prepared from dilution D you counted the followingnumbers of colonies:Plate 1: 157 pink colonies and 62 colorless coloniesPlate 2: 167 pink colonies and 67…
- natural indicator can you use if you run out iodine? A. Ampalaya C. Purple camote 11. B. Ginger D. Carrots rerers to a sample of a plant, animal or microorganism placed in a glass slide, water as its magnifving liquid and covered by a very thin cover sip. A. Wet mount slide B. Glass slide C. Dry mount slide D. lodine Solution 12.The onion bulb skin is the best plant specimen to be viewed under the microscope because of its observable properties like A. small ,thin and B. small, thick D. big, thick C. big, thin 13. What can replace a cover slip if you accidentally broke it? A. Paper C. Plastic cover B. Paper tissue D. Cloth 14. Which part of the microscope allows you to bring the low power objective closer or farther to the specimen being view? A. Fine adjustment knob C. Course adjustment knob 15. Under the high power objective, the small letter "e" as seen under the microscope is inverted and B. Inclination joint D. Revolving nose piece in the magnification view. B. only portions are…Discuss the significance of the following processes and what constituent is being determined: a. Borntragers’s test b. Bate-Smith and Metcalf method c. Wilstatter “cyanidin” testYou collected 1000 mL of river water from the stream running through campus. You prepared dilutionsof the water as follows:Tube A. 0.5 mL of river water + 99.5 mL of sterile waterTube B. 1 mL from Tube A + 9 mL of sterile waterTube C. 1 mL from Tube B + 9 mL of sterile waterTube D. 1 mL from Tube C + 9 mL of sterile waterYou then plated 0.1 mL of each dilution onto each of three MacConkey agar plates. (MacConkey agar is type of selective,differential medium. It inhibits the growth of Gram-positive microorganisms and non-enteric Gram-negative bacteria.Among the bacteria not inhibited by the medium, lactose-fermenting bacteria form pink colonies and bacteria that do notferment lactose form colorless colonies.) After incubation, the colonies were too numerous to count on the platesprepared from dilutions A, B, and C. For the plates prepared from dilution D you counted the following numbers ofcolonies:Plate 1: 155 pink colonies and 50 colorless coloniesPlate 2: 165 pink colonies and 55…
