9. IMVIC Tests A. Indole Production METHYL RED TEST B. Citrate Utilization C. butanediol Production D. Mixed Acid Production E. ferment sugars and

Q: 1. What important by‐products are obtained in commercial fermentation processes? 2. Of what value…

A: Fermentation is a chemical process to regenerate the electron carriers and makes food digestion and…

Q: Which concentration of alcohol is the most effective germicide?a) 100%        b) 75%            c)…

A: The agent used to kill microorganisms or germs is called germicide. Germs can be microscopic…

Q: Isoenzyme analysis is usually done from samples from the a. liver b. urine c. salivary glands d.…

A: INTRODUCTION Isoenzymes or isozymes are enzymes that perform the same catalytic reaction, but differ…

Q: 35. What is happening on the right? A. Mannitol fermentation, no acid produced B. Mannitol…

A: Mannitol Salt Agar or MSA is a selective as well as differential medium used in microbiology…

Q: Which of the following is false?a) A high-level disinfectant cannot be used as a sterilant.b)…

A: According to the risk for transmitting microbial infections, the medical instruments are classified…

Q: CITRATE UTILIZATION TEST WAS PERFORMED IN A CULTURE MEDIA WHICH CONTAIN A STRONG BUFFER. AND EVEN A…

A: In this test citrate agar is used, where citrate is carbon source and NH4and ability of organism to…

Q: which of the following is best to sterilize heat-liable (sensitive) solutions? a, pasteurization…

A: From above question Option d (filtration) is correct.

Q: Explain why TSIA is a suitable medium for identifying enteric bacteria. To do this you will have to…

A: Enteric bacteria are those bacteria which are present in intestines and can be either gut flora or…

Q: retort pouch is: a) Filled first with food product and then retorted (heat-sterilization) to extend…

A: In retort pouch food is filled into a pouch . Then it sealed and next heated to extremely high…

Q: 2) Finish the following chart for the data obtained for the effect of disinfectants on Escherichia…

A: As per our company guideline we are supposed to answer only first question or first 3 sub parts of…

Q: Many antibacterial hand soaps contain the chemical agent _____ , which belongs to the _____…

A: Sodium hypochlorite is commonly used chemical agent in mildew remover for prevention of infection…

Q: Which of the following statements is true regarding steam sterilization? a. It is a universal…

A: steam sterilization , also called autoclave sterilization , is used in microbiological laboratory in…

Q: 1. MEDIA. Match the name of the medium with the physiological test. A medium may be used more than…

A: The microbiological medium or growth medium is a liquid, solid, or semisolid designed to support the…

Q: Which of the following is an invasive procedure in antiaging treatment.... A. use of sunscreen B.…

A: As a person ages, there are many changes occur in the body. The immune system weakens, increasing…

Q: Which of these disinfectants is least effective against E. coli? a. Chlorine b. o-phenylphenol c.…

A: Disinfectants: These are the chemical compounds which are applied on the non living objects to kill…

Q: I and V

A: Liquor : an alcoholic drink that is distilled from grains or plants, such as rum, vodka, gin or…

Q: Agar is superior to gelatin as a solidifying agent because agar a. does not melt at room temperature…

A: Agar is used as a medium for culturing in laboratories.

Q: Does a positive presumptive test mean that the water is absolutely unsafe to drink? Explain

A: Water is tasteless, transparent, inorganic. Colorless, and odorless chemical substance. Its chemical…

Q: The use of sodium chlorite to inhibit the growth of Shigella in drinking water refers to ? O A.…

A: The use of sodium chlorite to inhibit the growth of Shigella in drinking water refers to…

Q: 1. The adsorption solution used in SO2 analysis is… a. Tetrachloromercurate(V) b.…

A: The adsorption solution used in SO2 analysis is… Tetrachloromercurate(II)

Q: I. COMPARE AND CONTRAST. Direction: Cite two advantages of using the following methods of preparing…

A: Syrup is a sticky thick concentration sweet solution acqueous of sucrose in a water which is…

Q: The order of additives on a product label is by: a. caloric index b. production expense c.…

A: Food is made up of carbohydrates, fats, proteins, vitamins, minerals, water, and a range of other…

Q: Answer the numbers 1 & 2   1. Positive with Molisch Test and Benedict Test but negative with both…

A: Carbohydrates or carbs are maconutrient consisting of Carbon, hydrogen and oxygen atoms. In nature…

Q: В С The results of growth on urea slant agar are shown above. The cultures are as follows: (A) B.…

A: Urease is a hydrolytic enzyme that attacks the nitrogen and carbon bond in amide compounds such as…

Q: Potato Dextrose agar (PDA), used for the enumeration of molds and yeasts, is selective because it:…

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: Food microbiology involves the following, except _______________ . a. fermentation b. western…

A: Introduction :- The study of microorganisms that colonise, alter, and process food as well as those…

Q: 7. Calcium carbonate in tetrathionate broth is a) a source of carbon for growth b) a buffer c) a…

A: Enrichment media An enriched media contains all essential nutrients that are required for the…

Q: :In bacterial culture media, agar is used as An additional nutrient .a Buffer .b A solidifying agent…

A: Agar is used in laboratory to help, feed and grow microorganisms. It is used in laboratory for…

Q: metal control agents and describe their most common applications.

A: Heavy metals can be used as antimicrobial agents. many samples of significant metals are silver,…

Q: Chlorinating swimming pools is an example of______________ to control microbial populations. A.…

A: Disinfection of swimming pool means killing all the pathogenic microorganism species in the pool…

Q: Which of the following results from TSI test is FALSE?  A. Yellow slant, yellow butt, split agar…

A: Ans- Red butt, red slant means all sugars fermented, no gas produced (False).

Q: If you streak a sample from your nose onto a Mannitol salt agar plate and the medium turns yellow,…

A:

Q: write a detailed description of each of the following tests/media: a. TSI Agar Slant b. SIM Medium…

A: The biochemical and microbial tests are performed to analyze the capability and function of the…

Q: 5. A negative test for glucose will cause Benedicts to stay... a) brick red b) blue c) black d)…

A: The primary application of Benedict's test is to detect the presence of simple carbohydrates in an…

Q: Your nasal sample showed colonies with a clear halo around them on blood agar. What can you…

A: Question - Your nasal sample showed colonies with a clear halo around them on blood agar. What can…

Q: plain 5 methods of nutrient uptake by cells b. explain the problems that may arise in the process of…

A: Since you have asked multiple questions , we will solve the first question for you. If you want any…

Q: Choose the combination of answers that most accurately completes the statement. Detergents are a.…

A: There are various microbes present everywhere in the surrounding. The cells and other exposed and…

Q: 1

A: Juvenile hormones, first discovered by Vincent Wigglesworth, are the proteins or compounds which…

Q: Microorganisms are used in the production of a wide variety of fermented products. a) Using an…

A: Microbes are essential components of human life. They are a great role in our day-to-day activities.

Q: Which of the following is false about the TSI test? A. It looks for CO2 or H2S gas production  B.…

A: Triple Sugar Iron agar (TSI) is a very common biochemical test used in differentiating and…

Q: A sharp growth line in the SIM media is an indication of what characteristic?   A) Hydrogen sulfide…

A: SIM tests the ability of an organism to do several things: reduce sulfur, produce indole and swim…

Q: Pellagra is caused by the deficiency of: a.Niacin b.Thiamin c.Riboflavin d.Pyridoxine

A: The symptoms of pellagra include diarrhoea, dermatitis, and dementia. Death is the most common…

Q: Give the components, properties and special considerations in preparation (if there's any) on the…

A: MacConkey Agar . It is selective for gram- negative rods bacteria. EMB . It is selective for fecal…

Q: Clinical thermometer can be sterilized by boiling. a) True b) False

A: A clinical thermometer is a device that is used to measure the human body temperature. It is made up…

Q: is an example of non radio active pharmaceutical used in uclear medicine. elect one: O a. Captopril…

A: Nuclear medicine is a medical specialty which uses radioactive tracer to observe the bodily…

Q: I. Effect of pH on ezyme activity pH Test tube Observation I 2 4 4 5 12 Conclusion: 8. 3.

A: Enzymes are highly specialized proteins that have extraordinary catalytic power, greater than that…

Q: Superoxide ion is toxic to strict anaerobes because they lacka. catalase b. peroxidase c. dismutase…

A: A superoxide basically is a compound that do contain the superoxide ion, having  the chemical…

Food Microbiology

The subdivision of microbiology that deals with the interaction between microbes and food particles are called food microbiology. This scientific study incorporates both beneficial and harmful microbes and their effect on the food production, food storage, and health of human beings.