why does fresh milk curdle when vinegar or lemon juice is added ?

Q: Phenol red broth

A: Answer: It is used to determine the ability of an organism to utilize a specific sugar.One of the…

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A: Starling force portrays the movement of liquids between the vasculature and interstitial spaces.…

Q: d. a homozygous mutation that completely eliminates the coding region of a tumor suppressor gene e.…

A: Cancer is defined as a serious medical concern marked by uncontrolled cell divisions that result in…

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A: Whey can be defined as the liquid that remains after the curdling and the straining of the milk. It…

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A: Nutrition is administered directly into the gastrointestinal (GI) tract via a tube in a medical…

Q: TUBE NO. 1. 3 ml of RESULT and OBSERVATION TREATMENT | 2 mL of NAOH solution egg albumin solution…

A: Proteins are macromolecules that are made up of Amino acids joined by peptide bonds. Linear chain of…

Q: Answer the following questions in 2 sentences: How did the term chromatography applied to partition…

A: Chromatography derived the name from a technique used in the late 19th century to separate colors.…

Q: Quetsion 3. The tube used for CBC has a mark for 2 ml. The phlebotomist add 4 ml of blood to the…

A: Complete blood count (CBC) tubes are used for determining increase,d decrease, or any other…

Q: Cytochrome C oxidase Oxidase test results: (color and +/- negative):…

A: Oxidase test is used to check the ability of bacteria to synthesise cytochrome C Oxidase.

Q: Example of each sketched cell please. In the circles representing the microscope field of view,…

A: Tube 1: Distilled WaterAppearance: Swollen cellsWater Movement: Arrows pointing into the cellsTube…

Q: What is the purpose of adding the yogurt to the cooled milk in step 5?

A: Yogurt is ancient, and it is defined as a milk product that is fermented by 2 bacterial strains:…

Q: In making the Feta Cheese, a 10% Calcium Chloride solution was added. Explain why you think that…

A: During the preparation of Feta cheese, different ingredients are used. 10% Calcium chloride solution…

Q: How can we make soap?

A: Soaps are the salts of fatty acids. Soaps are generally used as surfactants for washing cloths,…

Q: Calculate the coliform concentration in a milk sample based on the following colony counts: 10 2 :…

A: Introduction Coliform bacteria are defined as rod-shaped Gram-negative non-spore forming and motile…

Q: What do you call the test used to detect the presence of protein in saliva?

A: Proteins are high molecular weight biomolecules. They are polymers of amino acid residues linked to…

Q: A question from histology.   a) Explain the term HE staining b) how many preparations are there…

A: Hematoxylin and eosin stain or haematoxylin and eosin stain is one of the major tissue stains…

Q: Have you ever noticed that most of the salt you buy in thegrocery store is labeled as “iodized”? Why…

A: Iodised salt referred to as a type of salt in which potassium iodate is added to the regular salt.…

Q: Gelatinase Liquification or no change: _____________________________ Gelatinase produced, +/-:…

A: Gelatin is a collagen-derived protein produced from the "connective tissues" of animals. When…

Q: What would be the expected out come of a starch test If the bacteria is a pathogenic intestinal…

A: Introduction: Starch test is shown by the gram positive bacteria. This test is used to identify the…

Q: Which of the following is the Jello in the petri dishes meant to resemble?     Natural…

A: Answer :- In laboratory settings, petri dishes are commonly used for a variety of experiments and…

Q: A. CH-(CH3)1u--ou CH-0-Č-(CH,),n-CH, ÇH3 CH2OH C. ,A. CH,-(CH,)16¬Ĉ–OH CH3 CH3 CH,-…

A: The acrolein test: It is the specific test for the determination of the presence of fats or oils on…

Q: E Apps O YouTube 对Maps M Gmail Q Biology Chapter 1-. <Diffusion and Osmosis Lab LabBench: Diffusion…

A: 1)Plant cell A has higher water potential than cell B-False 2) Plant cell B is at equilibrium with…

Q: A chemical tastes sour, turns litmus paper red and is of phenolphthalein. Which of the following…

A: Every chemical compound has a distinct physical and chemical properties. Physical properties include…

Q: Is the Peptone Iron Agar (PIA) a complex or defined medium? Explain based on its composition. Is the…

A: Depending on their composition, media can be classified as defined and undefined media. Defined…

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A: Dialysis : It is a procedure to remove waste products and excess fluid from the blood when the…

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A: Enzymes are special kinds of proteins that catalyze all biochemical reactions in the body. Lipase is…

Q: A cell is 5 µM in diameter. Express this in mm. mm

A: Cell, in science, the essential layer bound unit that contains the crucial molecules of everyday…

Q: In a lab experiment, there was yeast added to four different test tubes.  One tube has water, one…

A: Answer  Yeast belongs to fungus group  The four different test tubes will show different results…

Q: Denise was careful to eat only produce that did not contain pesticides.If the produce had…

A: Those that live or work on or around farms are at the greatest risk of accidental organophosphate…

Q: When you are served with the dessert, you had an emergency call from home and  you need to return…

A: From the production of food to consumption of food it goes through several steps which include…

Q: 7. Repeat this procedure once more with the slide of simple columnar epithelium, starting with the…

A: The human body is composed of various types of tissues that are specialized for specific functions.…

Q: Llamas

A: Llamas are the type of domestic animals. They dominated the area of the highlands of the Andes in…

Q: Why does keeping milk in the refrigerator prevent it from going bad? What would happen of we added…

A: Food preservation is the technique used most commonly in food industries and homes to avoid the…

Q: While performing the Biuret test, a student added HCl instead of NaOH. How will a resulting solution…

A: Biuret test is the specific test for the identification of proteins in a sample solution. Biuret…

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A: Distinguishing characteristics such as shape,arrangement of cells, capsule formation or formation of…

Q: After a couple of days restoring her parents’ old home, Mrs. Dell notices a puncture wound in her…

A: After a couple of days restoring her parents’ old home, Mrs. Dell notices a puncture wound in her…

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A: Carbohydrates are polyhydroxy aldehydes or ketones that are associated with reducing properties.…

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A: Diffusion is defined as the movement of molecules from the higher concentration to the region of…

Q: Catalase combines two hydrogen peroxide molecules(H2O2 + H2O2) to make two molecules of water. A…

A: