Which food item is ideal for bacterial growth quizlet

A food handler's duties regarding food safety include all of the following practices EXCEPT: Periodically test food for illness causing microorganisms. Viruses like Hepatitis A and Norovirus come from human intestines. One of the easiest and most effective ways to prevent spreading them is _______.

Which food item is ideal for bacterial growth quizlet. Which food items require time and temperature control for safety? Baked potatoes. What is a characteristic of TCS food items? They need time and temperature control to limit …

38. Smoked fish provide ideal conditions for the growth of Botulinum spores. Therefore, this product must be stored at _ F. 41 F, 140 F. Safe temperatures for holding potentially hazardous foods are _ F or below and _ F or above. 1. severely rusted. 2. severely dented.

4.6-7.5. the range of ph level that supports bacterial growth. 15 seconds. minimum time to scrub hands. 140 degrees. minimum internal cooking temperature for fruits & vegetables. 2 hours. Length of time for first step in cooling stage. Study with Quizlet and memorize flashcards containing terms like 41-135 degrees, 4.6-7.5, 15 seconds and more.Mar 23, 2020 · Which type of food has a pH that is ideal for bacterial growth Servsafe? The following common types of food have a pH that is ideal for bacterial growth: Bread has a pH of 5.0-6.0. Raw chicken has a pH of 5.5-6.0. Cantaloupe has a pH of 6.1-6.5. How does pH affect bacterial growth quizlet? Acidophiles are organisms that grow best at acidic pH. an organism capable of growing temperatures at or near freezing. thermophile. have a general range growth between 45-80 degrees Celsius. mesophile. organisms that grow well at midrange of 20-40 degrees Celsius. An organism that can only utilize glucose when exposed to atmospheric oxygen can be best described as. aerobic.the general term used for organisms capable of growth at 0 degrees celsius. Psychronphile. Capable of growth at high temperatures; optimum 50-60 degree celsius. Thermophile. used in media to neutralize acids. buffer. a phenomenon that occurs when bacteria are placed in high salt concentration. plasmolysis.Top creator on Quizlet. Share. Understanding the Microworld. Share. Terms in this set (37) Which type of food best supports the growth of bacteria?Study with Quizlet and memorize flashcards containing terms like What food item is considered to be at low risk for pathogen growth? a. bread b. eggs c. sprouts d. tofu, Which type of food carries the highest risk of causing a foodborne illness? a. Candy b. Spinach fettuccini pasta c. Treated garlic and oil d. Milk and dairy products, Which is a food-safety responsibility of a manager? a ... Chapt 9 Controlling Microbial Growth in the Environment. Which of the following is an example of microbial control? Click the card to flip 👆. Sue washes off the vegetables before serving them in a meal. Sue uses bleach to clean the kitchen counters. Mary places leftovers in the refrigerator after the meal. Click the card to flip 👆.

Whipple’s disease (or Whipple disease) is a bacterial infection that affects your digestive system. It makes it harder for your body to get the necessary nutrients from the food and drinks in your diet. It’s a rare condition caused by a typ...true. You can determine if food is unsafe to eat by smelling or tasting it. False. The temperature in a refrigerator can be correctly monitored by placing a thermometer on a top shelf near the back. false. Protein foods, such as eggs, meat, and seafood, are an ideal source for bacterial growth. True.Food Preservation. Food preservation is the process of treating and handling food to stop or slow down food spoilage, loss of quality, edibility, or nutritional value and thus allow for longer food storage. Preservation usually involves preventing the growth of bacteria, fungi (such as yeasts), and other microorganisms, as well as retarding the ...High-risk food items that are ideal for bacterial growth include raw or undercooked meat, poultry, eggs, dairy products, shellfish, and cooked rice/grains. These foods provide the necessary conditions of moisture, warmth, and nutrients for bacteria to thrive if not handled, stored, or cooked properly.110°F (43°C) Pathogens grow well between which temperature? 41°F and 135°F (5°C and 57°C) Ready-to-eat TCS food must be marked with the date by which it must be sold, eaten, or thrown out if it will be held for longer than how many hours? 24. Which food is considered a TCS food? Sliced melons. A food handler washed hands after using the ...Understand and compare various physical methods of controlling microbial growth, including heating, refrigeration, freezing, high-pressure treatment, desiccation, lyophilization, irradiation, and filtration. For thousands of years, humans have used various physical methods of microbial control for food preservation.

Aug 9, 2023 · Some other germs that cause foodborne illness include Cryptosporidium, Cyclospora, hepatitis A virus, Shigella, and Yersinia. See a complete A-Z index of foodborne illnesses. Some foodborne germs can be antimicrobial resistant. Antimicrobial resistance happens when germs like bacteria and fungi develop the ability to defeat the drugs designed ... Study with Quizlet and memorize flashcards containing terms like All bacterial cells that result from the replication of a single original bacterial organism are said to be a, The scientist that contributed most to the development of pure culture techniques was, The solidifying agent used most successfully in bacterial nutrient media is and more.5. Cell divides and becomes 2 new daughter cells. Microbial Growth Curve. -can study microbial population growth in batch culture. -closed system. -growth of population is plotted as log of the number of viable cells versus time. Lag Phase. -Bacteria getting ready to divide (double everything) Exponential/Log Phase.Whole Foods is partnering with a data insights company to assist with managing its merchandise and pricing in the wake of declining sales By clicking "TRY IT", I agree to receive newsletters and promotions from Money and its partners. I agr...answer answered Which food item is ideal for bacterial growth? Advertisement bryaannaa05 is waiting for your help. Add your answer and earn points. …

Fusion calculator.

Food that is neutral to slightly acidic promotes bacterial growth (a pH of 7.5 to 4.6). food made from animals, whether it is raw, cooked, or partially cooked, including dairy products, meats, poultry, and eggs. Foods of a plant origin, such as leafy greens, melons, and raw seed sprouts. Due to their availability of nutrition, energy, and other ...High-risk food items that are ideal for bacterial growth include raw or undercooked meat, poultry, eggs, dairy products, shellfish, and cooked rice/grains. These foods provide the necessary conditions of moisture, warmth, and nutrients for bacteria to thrive if not handled, stored, or cooked properly.Science Chemistry ServSafe Flashcards: Chapter 2 5.0 (4 reviews) Microorganisms Click the card to flip 👆 Small, living organisms that can be seen only with the aid of a microscope. Click the card to flip 👆 1 / 28 Flashcards Match Q-Chat Created by wmowery TeacherStudy with Quizlet and memorize flashcards containing terms like antiseptic, aseptic technique, bactericide and more.a) Nutrients in whole foods are easily lost, so they are often less nutritious than processed foods. b) Processing foods has few benefits and mainly contributes to poor health in the population. c) Generally the more foods are processed, the lower they are in vitamins and minerals. d) Processing foods usually decreases their sodium content. c ...

Study with Quizlet and memorize flashcards containing terms like Physical requirements for bacterial growth, Chemical requirements, Obligate Anaerobics and more. Scheduled maintenance: October 22, 2023 from 04:00 AM to 05:00 AMStudy with Quizlet and memorize flashcards containing terms like The types of media that can be prepared for bacterial growth _____., Microbial media can be classified as which of the following physical states?, All of the following are properties used to classify media, except: and more.VDOMDHTMLtml> Yogurt is a good source of calcium. Yogurt also contains active cultures of "good" bacteria. Foods that contain these beneficial bacteria are sometimes called "probiotic." Flexi answers - Which food item is ideal for bacterial growth | CK-12 Foundation All Subjects Life Science Bacteria and HumansWhich type of food has a pH that is ideal for bacterial growth Servsafe? The following common types of food have a pH that is ideal for bacterial growth: Bread has a pH of 5.0-6.0. Raw chicken has a pH of 5.5-6.0. Cantaloupe has a pH of 6.1-6.5. How does pH affect bacterial growth quizlet? Acidophiles are organisms that grow best at …Study with Quizlet and memorize flashcards containing terms like Which type of food has a pH that is ideal for bacterial growth?, How can an operation control the growth of bacteria?, Which food item requires time and temperature control for safety? and more.A frozen hamburger patty. Ground meat and foods containing ground meat must be cooked to an internal temperature of: 158 degrees. All of the following except one may be used when working with ready-to-eat foods: Clean bare hands. All of the following, except one are true of a hot holding unit: Must be used to reheat refrigerated foods.5. Cell divides and becomes 2 new daughter cells. Microbial Growth Curve. -can study microbial population growth in batch culture. -closed system. -growth of population is plotted as log of the number of viable cells versus time. Lag Phase. -Bacteria getting ready to divide (double everything) Exponential/Log Phase.Nov 29, 2022 · Food that is neutral to slightly acidic promotes bacterial growth (a pH of 7.5 to 4.6). food made from animals, whether it is raw, cooked, or partially cooked, including dairy products, meats, poultry, and eggs. Foods of a plant origin, such as leafy greens, melons, and raw seed sprouts. Due to their availability of nutrition, energy, and other ... Jan 21, 2022 · The danger zone is the temperature range of 40–140°F (4–60°C), in which bacteria grow and thrive. Keeping perishable foods out of the danger zone is critical to keeping your food safe. Keep ... Which food item is ideal for bacterial growth quizlet? Meat , poultry , dairy products , and eggs are examples of TCS foods that foster bacteria growth more than others. Bacteria thrive on neutral to slightly acidic foods (a pH of 7.5 to 4.6).

Bacteria thrive on moist, high-protein foods, such as meats, eggs, and shellfish. A - Acidity. In order to grow, bacteria need an environment that has a moderate acidity level. A pH …

A chicken salad sandwich left in the temperature danger zone could have a growth of pathogenic bacteria because.. it is a protein rich food, it has a nuetral pH, it has Highwater activity. each of the letters in fat Tom represent a condition necessarily for micro organisms to grow and multiply.Study with Quizlet and memorize flashcards containing terms like When discussing fermented foods, the term fermentation refers to _____., Generally, foods such as fresh meats that are moist, pH-neutral, and nutrient-rich are most likely to be colonized by _____., Characteristics of the food itself, such as water availability, acidity, and nutrient level, are called _____ factors. and more.Study with Quizlet and memorize flashcards containing terms like Bacterial growth curves typically can be divided into four distinct phases: lag phase, log phase, stationary phase, and death phase. Drag the following descriptions to the appropriate location on the bacterial growth curve., When bacteria are inoculated into a new sterile nutrient broth, their numbers don't begin to increase ...Bacteria thrive on temperature controlled for safety (TCS) food items, which include protein-rich foods such as meat, poultry, dairy products, and eggs.These foods offer ample nutrients and moisture, creating favorable conditions that promote bacterial growth.Additionally, certain vegetables and fruits with a neutral to slightly acidic pH can …1 / 28 Flashcards Match Q-Chat Created by wmowery Teacher A set of flashcards for every chapter of the ServSafe Foodhandlers coursebook, 6th edition. Terms in this set (28) …The more time spent in the TDZ, the more bacteria can grow and make the food unsafe to eat. Remember the two-hour rule, and put foods away within two hours of eating. If the temperature outside (or inside) is really warm, put foods away within one hour of eating. Oxygen is needed for bacteria to grow, but some, like the botulinum toxin grow ...Food Item Is Ideal For Bacterial Growth, Bacterial growth is the process by which bacteria reproduce and increase in number. Bacteria are single-celled …match the oxygen requirement classification with the correct description of the expected FTM tube result. 1. facultative anaerobe = growth throughout the tube. 2. obligate anaerobe = growth towards the bottom of the tube. 3. obligate aerobe = growth towards the top of the tube. which of the following are toxic by-products formed in the presence ...

Apple store purchase crossword.

24 drugstore near me.

Which of the following would provide favorable growth conditions for bacteria? Cooked Pork stored at 80'F. At what temperature is a rapid growth of pathogenic bacteria possible? 65'F. In Which of the following food bacteria may grow rapidly? Low acid and neutral foods. Which of the following is a safe method of storing potentially hazardous food?a microorganism will grow across the range of temperatures tolerated by its enzymes. Describe the ideal environment for a majority of microbes. warm, isotonic, neutral pH. Identify the types of lab items that can be used to enhance growth of most commonly-encountered microbes by altering their environmental conditions.16. Which food item is ideal for bacterial growth? a. tortilla chips b. canned chili peppers c. jar of salsa d. sour cream. d. sour cream. 17. Which is a physical hazard? a. bacteria …When a food item is recalled by the manufacturer, what is the first thing that a manager should do? identify the recalled food based on the recall notice and remove the item from inventory. Some cans in a delivery of tomato sauce are dented and dirty.5) bottling: the wine is clarified by filtration then bottled. Beer production. 1) milling: malt (germinated barley) is cracked open. 2) mashing: the ingredients: mash-malt, water, and sometimes adjuncts- are mixed. enzymes in the mash convert starches into fermentable sugars.Study with Quizlet and memorize flashcards containing terms like Bacterial growth curves typically can be divided into four distinct phases: lag phase, log phase, stationary phase, and death phase. Drag the following descriptions to the appropriate location on the bacterial growth curve., When bacteria are inoculated into a new sterile nutrient broth, their numbers don't begin to increase ...VDOMDHTMLtml> Yogurt is a good source of calcium. Yogurt also contains active cultures of "good" bacteria. Foods that contain these beneficial bacteria are sometimes called "probiotic." Flexi answers - Which food item is ideal for bacterial growth | CK-12 Foundation All Subjects Life Science Bacteria and Humansa microorganism will grow across the range of temperatures tolerated by its enzymes. Describe the ideal environment for a majority of microbes. warm, isotonic, neutral pH. Identify the types of lab items that can be used to enhance growth of most commonly-encountered microbes by altering their environmental conditions.Study with Quizlet and memorize flashcards containing terms like Classify microbes into five groups on the basis of preferred temperature range., Identify how and why the pH of culture media is controlled., Explain the importance of osmotic pressure to microbial growth. and more.VDOMDHTMLtml> Yogurt is a good source of calcium. Yogurt also contains active cultures of "good" bacteria. Foods that contain these beneficial bacteria are sometimes called …Study with Quizlet and memorize flashcards containing terms like LESSON 1: What is the most direct cause of customer loyalty?, All of the following are the most common Critical Control Points (CCPs) EXCEPT:, A food handler's duties regarding food safety include all of the following practices EXCEPT: and more.Study with Quizlet and memorize flashcards containing terms like Which type of food has a pH that is ideal for bacterial growth?, How can an operation control the growth of bacteria?, Which food items require time and temperature control for safety and more. ….

disinfection for living tissue (e.g, hand sanitizers) degerming. mechanical removal of microbes in a limited area. sanitization. used to lower microbial counts to minimize pathogen transmission. biocide. kills microorganisms (similar:fungicide, virucide, bacteriocide) bacteriostasis. inhibits growth and multiplication, but does not kill.chemical requirement, nutrients that are required in small amounts by the cell. most abundant element in bacterial cell. carbon. required in the synthesis of proteins. nitrogen. phosphorus. used in the synthesis of nucleic acids and phospholipids of cell membranes. iron's importance.The more time spent in the TDZ, the more bacteria can grow and make the food unsafe to eat. Remember the two-hour rule, and put foods away within two hours of eating. If the temperature outside (or inside) is really warm, put foods away within one hour of eating. Oxygen is needed for bacteria to grow, but some, like the botulinum toxin …Top creator on Quizlet. Share. Understanding the Microworld. Share. Terms in this set (37) ... Which food has the most available moisture for bacteria to grow? Food w/ an aw of …When a food item is recalled by the manufacturer, what is the first thing that a manager should do? identify the recalled food based on the recall notice and remove the item from inventory. Some cans in a delivery of tomato sauce are dented and dirty.Terms in this set (41) Small, living organisms that can be seen only with the aid of a microscope. There are four types of microorganisms that can contaminate food and cause foodborne illness: bacteria, viruses, parasites, and fungi. Illness-causing microorganisms. Poisons produced by pathogens, plants, or animals.C Food held between 70°F and 125°F (21°C and 52°C) What condition promotes the growth of bacteria? A High acidity B Low levels of moisture C Food held between 70°F and 125°F (21°C and 52°C) D Food with a pH that is highly alkaline1. Growth requirements and metabolic byproducts may be used to classify bacteria. 2. The enzymes used by microbes to break down host biomolecules for nutrients can ALSO be used to break down tissue and facilitate spread of the microbe in the body. Three ways glucose is metabolized (in order of increasing efficiency) 1.French toast is a classic breakfast dish that is loved by many. It’s a simple recipe that can be made with just a few ingredients, making it an ideal choice for busy mornings. In this article, we will share some quick and easy French toast ...predictions from such models for your food. Growth rates of pathogens are highly temperature dependent. Ordinarily, pathogenic bacteria growth is relatively slow at temperatures below 70°F (21.1°C). Which food item is ideal for bacterial growth quizlet, Test Match Q-Chat Beta Created by stevie_bernal Terms in this set (10) Which type of food has a pH that is ideal for bacterial growth? Cantaloupe How can an operation control the growth of bacteria? Limit the time food spends in the temperature danger zone. Which food item requires time and temperature control for safety? Baked potatoes, Study with Quizlet and memorize flashcards containing terms like Hygiene is the science of good health., germ, bacteria and more. ... chemical that slows down or stops bacterial growth, especially in or on living tissue. ... bacteria in the mouth strong-smelling foods such as onions or garlic throat, mouth, or nasal infection ..., The ideal indoor humidity level for a home falls in the range of 35 to 50 percent. This range provides the optimal comfort and health. Keeping the humidity level below 50 percent in a home helps to prevent the population growth of mold and ..., Which of the following would provide favorable growth conditions for bacteria? Cooked Pork stored at 80'F. At what temperature is a rapid growth of pathogenic bacteria possible? 65'F. In Which of the following food bacteria may grow rapidly? Low acid and neutral foods. Which of the following is a safe method of storing potentially hazardous food?, Study with Quizlet and memorize flashcards containing terms like 1. It is important to cover food when storing it in order to a. seal in the flavor b. decrease discoloration c. prevent cross-contamination d. keep temperature consistent, 2. A food handler has finished slicing raw pork. Before chopping lettuce, the food-contact surface should be a. brushed and wiped b. wiped and rinsed c. rinsed ... , Ideally, agents used for the control of microbes should be: inexpensive, fast acting, stable during storage, and capable of controlling microbial growth while being harmless to humans, animals, and objects. Factors Affecting the Efficacy of Antimicrobial Methods Include: - The Site to Be Treated., Nov 19, 2022 · 3.Servsafe Food Handler Examination – Subjecto.com; 4.[PDF] Guide to Questions and Answers Version A – ServSafe; 5.[PDF] Bacteria – ServSafe; 6.[PDF] STUDY GUIDE FOR SERVSAFE FOOD SAFETY CERTIFICATION; 7.Which food item is ideal for bacterial growth? – Brainly.com; 8.1 of 3 – ServSafe; 9.TCS Foods Poster – State Food Safety , optimal range for most bacteria. 6-8. optimal range for most fungi. 3-6. buffers. media contain them to maintain the pH. selective media. designed to favor the growth of one organism over another based on differences in their optimal pH. ex: media for fungi vs. bacteria., 38. Smoked fish provide ideal conditions for the growth of Botulinum spores. Therefore, this product must be stored at _ F. 41 F, 140 F. Safe temperatures for holding potentially hazardous foods are _ F or below and _ F or above. 1. severely rusted. 2. severely dented., Bacteria thrive on moist, high-protein foods, such as meats, eggs, and shellfish. A - Acidity. In order to grow, bacteria need an environment that has a moderate acidity level. A pH between 4.6 and 7.0. T - Time. Bacteria can multiply very quickly in a very short amount of time., Study with Quizlet and memorize flashcards containing terms like Bacterial growth curves typically can be divided into four distinct phases: lag phase, log phase, stationary phase, and death phase. Drag the following descriptions to the appropriate location on the bacterial growth curve., When bacteria are inoculated into a new sterile nutrient broth, their numbers don't begin to increase ... , Study with Quizlet and memorize flashcards containing terms like Physical requirements for bacterial growth, Chemical requirements, Obligate Anaerobics and more. Scheduled maintenance: October 22, 2023 from 04:00 AM to 05:00 AM, Study with Quizlet and memorize flashcards containing terms like The optimum pH for MOST bacteria is near 1. 5. 7. 9. ., A psychrophile has an optimal growth temperature of about 15°C. 25°C. 37°C. 100°C., Organisms that require high salt concentrations for growth are called thermophiles. obligate halophiles. acidophiles. anaerobes. and more., The danger zone is the temperature range of 40–140°F (4–60°C), in which bacteria grow and thrive. Keeping perishable foods out of the danger zone is critical to keeping your food safe. Keep ..., Abstract. Microbiology is important to food safety, production, processing, preservation, and storage. Microbes such as bacteria, molds, and yeasts are employed for the foods production and food ingredients such as production of wine, beer, bakery, and dairy products. On the other hand, the growth and contamination of spoilage and …, Food should not remain in the temperature danger zone (40°F – 140°F ) for more than 2 hours, and either be cooled or heated. If the temperature is above 90°F, food should not be left out more than 1 hour. T – Temperature. Bacteria grow best at a temperature range of 40°F to 140°F – which is referred to as the “temperature danger ..., Study with Quizlet and memorize flashcards containing terms like Which bacteria can contaminate meat during slaughtering? Norovirus Salmonella Typhi Shiga Toxin-producing E. coli Hepatitis A, Which type of food has a pH that is ideal for bacterial growth? limes tomatoes cantaloupe lemons, What is a characteristic of TCS food items?, 2.pH: 4 Most bacteria prefer neutral pH (6.5-7.5). 4 Molds and yeast grow in wider pH range, but prefer pH between 5 and 6. 4 Acidity: inhibits most microbial growth and is used frequently for food preservation (e.g.: pickling). 4 Alkalinity:inhibits microbial growth, but not commonly used for food preservation. 4 Acidic products of bacterial metabolism …, A frozen hamburger patty. Ground meat and foods containing ground meat must be cooked to an internal temperature of: 158 degrees. All of the following except one may be used when working with ready-to-eat foods: Clean bare hands. All of the following, except one are true of a hot holding unit: Must be used to reheat refrigerated foods., It is readily available in liquid household bleach but bleach must be diluted because high concentrations are toxic and corrosive. To obtain an effective concentration of chlorine when using household bleach, a 1:100 dilution is made. This means that ______ mL of bleach is added to ______ mL of water. sterilization., Bacteria thrive on moist, high-protein foods, such as meats, eggs, and shellfish. A - Acidity. In order to grow, bacteria need an environment that has a moderate acidity level. A pH between 4.6 and 7.0. T - Time. Bacteria can multiply very quickly in a very short amount of time., a microorganism will grow across the range of temperatures tolerated by its enzymes. Describe the ideal environment for a majority of microbes. warm, isotonic, neutral pH. Identify the types of lab items that can be used to enhance growth of most commonly-encountered microbes by altering their environmental conditions., MEASUREMENTS OF BACTERIAL GROWTH. - describe the two ways. 1. Direct Method - counting the cells. 2. Indirect Method - spectrophotometer measures turbidity (absorbance or optical density) (this way is easier but not as accurate) - higher turbidity = …, Study with Quizlet and memorize flashcards containing terms like which of the following are environmental factors that affect microbial growth, the slowed growth or lack of growth of an organism at temperatures of pH outside of its ideal range is most likely due to changes in its, a microorganism is classified as a psychrophile, a mesophile, or a thermophile based on its optimum growth and more., As would be expected from the core temperature of the human body, 37 °C (98.6 °F), normal human microbiota and pathogens (e.g., E. coli, Salmonella spp., and Lactobacillus spp.) are mesophiles. Organisms called psychrotrophs, also known as psychrotolerant, prefer cooler environments, from a high temperature of 25 °C to refrigeration ..., Introduction. Food Item Is Ideal For Bacterial Growth, Bacterial growth is the process by which bacteria reproduce and increase in number. Bacteria are single-celled organisms that can be found in virtually any environment, from the human body to soil and water.Bacteria reproduce by a process called binary fission, in which a single cell divides into two identical daughter cells., High-risk food items that are ideal for bacterial growth include raw or undercooked meat, poultry, eggs, dairy products, shellfish, and cooked rice/grains. These foods provide the necessary conditions of moisture, warmth, and nutrients for bacteria to thrive if not handled, stored, or cooked properly., Terms in this set (33) endospore. a structure that is formed inside certain types of bacteria. a cell that lacks an endospore is called a. vegetative cell. once a mature endospore is formed, the rest of the cell surrounding it is called the. sporangium. after forming an endospore, the sporangium may. die and eventually disintegrate (cell lysis), Jan 21, 2022 · The danger zone is the temperature range of 40–140°F (4–60°C), in which bacteria grow and thrive. Keeping perishable foods out of the danger zone is critical to keeping your food safe. Keep ... , b) destroys all microorganisms. c) is non-toxic enough to be used on human skin. d) requires heat to be effective. e) can be used in food products. is non-toxic enough to be used on human skin. The D value is defined as the time it takes to kill. a) all bacteria in a population. b) all pathogens in a population., Food items which are stored in conditions with more than 0.95 water activity are known to be ideal for bacterial growth. This is the reason that it is always advisable to preserve food items at cold and ‘Dry’ places., 1. using a cotton-tipped swab, inoculate a plate of mueller-hinton agar with the bacteria to be tested, covering all surfaces of the plate in order to develop a lawn of growth. 2. place antibiotic disks onto the surface of the inoculated plate, and tap slightly so that they will adhere to the surface., Study with Quizlet and memorize flashcards terms like _____ _____ is an increase in the # of cells in a bacterial population resulting from cell division., How are bacterial species maintained?, _____ _____ is the time required for a population of microbial cells to double. and more.