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- If the concentration of solutes in the fluid surrounding the cell is greater than the cell's cytoplasm then the surrounding fluid is to the cell cytoplasm. 00000 Endergonic Exergonic Hypertonic Isotonic HypotonicWhich of the following gives a positive result for acrolein test?*Give one or two product of Milk and answer the following queston: look at the labels of the different milk preparations: 1. Method of sterilization used. 2. What is the Bacterial culture and flavor used if there is any. 3. What is the Fat, Protein & Carbohydrate(sugar) content? 4. Is fortification done? What substances has been fortified (based on the label)? 5. Are Vitamins & amino acids added? Name them based on the label.
- What reagent is used in this test? A Kovac's Negrosin Safranin lodine BFill up the table below. For inferences, indicate the identity of the macronutrient being tested in milk Chemical Test Observations Inferences a. Phenolphthalein test b. Biuret Test c. Molisch Test Film Formation What is observed during boiling of milk? Explain your observation and identify the milk component that was formed. Separation of Casein and Whey 3.1 What is observed during the addition of acetic acid in milk? Explain your observations by identifying the milk components that were formed. 3.2 Fill up the table below to summarize the confirmatory test for casein and whey. Test Sample Filtrate Residue / Precipitate Milk Component Reagents Observations Inferences 3.3 Give the function or importance of casein and whey. Test for Milk Fat Briefly describe how milk fat is being tested?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
- Look for two product of Milk in the internet and answer the following queston: 1. Method of sterilization used. 2. What is the Bacterial culture and flavor used if there is any. 3. What is the Fat, Protein & Carbohydrate(sugar) content? 4. Is fortification done? What substances has been fortified (based on the label)? 5. Are Vitamins & amino acids added? Name them based on the label.ulase d. Summerase Will also be positive for 13. Which of the following sugars are NOT used in TSI media? a. Fructose b. Sucrose c. Dextrose d. Lactose 14. An organism which is positive for the CAMP test must be a(n) a. Group A Streptococci b. Staphylococci c. Group B Streptococci d. Enterococci ben ben lyttem 15. The indole test is done to see if a microorganism can hydrolyze a. Urea b. Tryptophan c. Starch d. Lipids to eradiem vhinebi dan di beau al la >2 19rito yns noril relast wobiseid setu ovisis BUO 6. You inoculate an unknown Streptococcal species into 6.5% sodiu and it grows! This means you must haveHow can I explain the results of my findings in lamen terms? 1 - Name of Test Type of Medium 2 - Color Before Incubation 3-Color After Incubation? 4 – Results Positive/ Negative? 5 - Reagents Added Lactose Fermentation test Phenol Red Lactose (PRL) Red Color: Yellow Gas Bubble: Yes Positive Phenol Red to detect color change (added) Glucose Fermentation Test Phenol Red Glucose (PRG) Red Color: Yellow Gas Bubble: Yes Positive Phenol Red to detect color change (added) Citrate Utilization Simmons Citrate Green Color: Blue Positive Bromthymol Blue (added) Indole Test Media = SIM Clear Indole: Color: Clear Negative For Indole, we add Kovac’s Hydrogen Sulfide Test Media = SIM clear Hydrogen Sulfide: Color: Clear Negative Iron already added Methyl Red Test (MR test) Media = MRVP Broth Clear Color: Yellow Negative We add Methyl Red Reagent Voges-Proskauer Test (VP test) Media = MRVP Broth Clear…
- Laboratory Report Sheet – ENZYMES Procedure: Potato Peroxidase a. Prepare 3 test tubes. Place 1 mL of potato extract to each test tubes. To the first test-tube - add 5 drops of 1% phenol+ 3 drops of H2O2 second test tube – add 5 drops of catechol or pyrogallol + 3 drops H2O2 third test tube - add 5 drops of guiac solution + 3 drops H2O2 b. Shake well and observe change in color. 2. Repeat procedure 1, a, b, and c, but this time use boiled potato extract. QUESTION: WHAT ARE THE OBSERVATIONS FOR EACH TUBE?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.What would be the expected out come of a phenol red test If the bacteria is a pathogenic intestinal bacteria?