As milk ages, bacteria that produce lactic acid increase in number. What will that do to the pH of the milk? 2. when acid was added to milk it got thick and clumped up, Would adding a base have a similar effect? Explain

Q: 4. Bacterium Q had the lab results below. What can you tell me about the protein metabolism of this…

A: Production of urease is indicated on the slant by bright pink colouration i.e., Fuchsia colouration…

Q: . How will pH and aw will affect the growth of spoilage microorganisms on food?

A: Food spoilage is caused by microbes. The main cause of food spoilage is invasion by microorganisms…

Q: 6. You used the hemocytometer to count algal cells but found a very high concentration. To save…

A: Hemocytometer or Neubauer’s chamber slide is used to manually count the number of cells in a given…

Q: Describe a test for the presence of a lipid and the positive result.

A: Lipids are a form of fat or oil and they can be triglycerides, phospholipids, fatty acids,…

Q: 9. The chemical structure around an endospore is a. a lipid b. a protein c. a carbohydrate d. a…

A: Note : Hi. Thanks for questions. Since you have posted multiple questions, we will solve first one…

Q: Porin proteins allow the passage of molecules that are equal or greater than 600 Dalton in size.…

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Q: Kevin and Sonia want to prepare a bean salad for the class picnic. They buy a package of dried…

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Q: 6. List three foods in which most of the calories are contained in protein. 7. What type of bond is…

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Q: 1. The chromatography solvent is very polar as it contains alcohol, an acid and water. Based on this…

A: Chromatography is a separation technique that is used to separate components of a mixture based on…

Q: 6. A slug can be killed by pouring salt onto it’s surface. Explain the science behind this…

A: Introduction :- Salt is a mineral comprised mostly of sodium chloride, a chemical component that…

Q: 3. What is the concentration of a stock solution in mg/ml and µg/ml if the total concentration was…

A: 3) The following question asks to calculate the concentration of a stock solution in milligrams per…

Q: Why should ice be used for 10-20 minutes every few hours?

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Q: 3. I am eukaryote organism with a cellulose cell wall that uses photosynthesis for energy to produce…

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Q: 6. What two values are measured to determine the concentration of a solution? If solutions A and B…

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Q: 6. Water melts at o°C, and solidifies / freezes at that same temperature. (a) At what temperature…

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Q: . When digesting a complex carbohydrate, water is added and, a simple sugar is obtained through…

A: During digestion the large molecules are broken down into simple molecules like during protein…

Q: 1. Why do you wash the dog bite wound on a goat with hydrogen peroxide?   2.

A: It is possible for a dog to cause a wound by biting a goat or any other animal. This causes the skin…

Q: Why steam your slide during the application of carbolfuschin?   a Steam prevents the counterstain…

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Q: What fluid would you use on a jaundice body? A fluid that had a. methanol b. one carbon aldehyde…

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Q: 9. A flask contains 100ml of bacteria in a broth culture. If the concentration of bacteria in this…

A: Formula : Bacterial concentration = #colonies / (dilution × volume plated in mL)

Q: Which of these are soluble in water, vitamin C or vitamin K? Explain your answer.

A: Carbohydrates, lipids, and proteins are macronutrients that the body requires in greater quantities…

Q: As milk ages, bacteria that produces lactic acid increase in number. What will that do to the pH of…

A: Bacteria are single-celled organisms with a small size. Bacteria can be found nearly everywhere on…

Q: 3. Phenol red is a pH indicator that turns _________ when conditions are acidic.

A: Acids are the substances that can generate hydrogen ions when dissolved in water and are generally…

Q: 3. What would be the optimum pH for pepsin, an enzyme that breaks down protein in your stomach? Why?

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