One of the useful properties of agar is its inability to be digested by most microbes. True False

Q: Which of the following treatments would be most useful to remove microbes from air pumped into a…

A: Option c

Q: The agar turns pink because the enzyme produces which causes a pH change to Ammonia, alkaline OA.…

A: Urease test is performed to check the  organism's ability to produce an enzyme known as exoenzyme.…

Q: Choose the false statement below. O High efficiency particulate air filters or HEPA filters are…

A: Sterilization is a process of complete destruction or inactivation of bacteria or pathogens. It…

Q: As the temperature of pasteurization increases, the time of treatment decreases. True False

A: Pasteurization is a technique by which some of the liquid foods such as milk, fruit juice etc is…

Q: Unknown Bacteria Lab Unknown: Enterococcus facecalis RESULTS: Starch Hydrolysis:__-- V-P Test:--…

A:

Q: Which antimicrobics would be suitable for the control of the following organisms?S. aureus:E.…

A: Bacteria are single-celled and very small organisms. They found in water, human gut, soil, air,…

Q: A sample must contain many microbial cells for any to be seen by microscopic examination. Why?

A: Microbes or microorganisms are very small organisms that cannot be visible from naked eyes and thus…

Q: Which of the following statements regarding microbial death is FALSE?   Question options:   cell…

A: All of these statements are TRUE.

Q: a food sample with an unknown number of contaminating bacteria was serial diluted to 10-6. the 10-6…

A: Serial dilution is a process of diluting a particular sample in a solution. The purpose of doing a…

Q: Why is boiling at standard temperature and pressure an inadequate method of processing for canned…

A: Canning is done to give the food products larger and stable shelf life. They must remain…

Q: If lysozyme is added to a microbial culture. Predict what will be observed if the culture is…

A: Microorganisms are small organism that cannot be seen by naked eyes. They include bacteria, fungi,…

Q: Preservatives/additives and maintenance of temperature (hot or cold) for prepared food items helps…

A: Introduction:- Food is a substance that is mostly made up of nutrients such as protein,…

Q: Growth of microorganisms can't be controlled in a lab setting.  true/ false

A: The microorganisms are simplest creatures on earth that are responsible for so many diseases and…

Q: Describe how each of the following would appear when grown on EMB agar: a. Escherichia coli b.…

A: EMB stands for Eosin Methylene Blue. This media is used as a seletive stain for the gram negative…

Q: Which one of the following statements about liquid media is false Select one: a-is prepared without…

A: Liquid media are growth medium used in the microbiological experiments. They can provide a medium on…

Q: What microbes are found in the following foods?  –Country-cured ham –Dry sausages –Coffee beans…

A: The organisms which cannot be seen through the naked eye and require a microscope to be observed are…

Q: True or False: An isolated bacterial colony supplies cells.to grow "pure culture" of the bacteria.…

A: Bacteria are microscopic organisms which belong to prokaryote because these are unicellular…

Q: Which of the following microbes is used in the production of sake

A: Which of the following microbes is used in the production of sake? Answer. Aspergillus

Q: Answer the following: which antimicrobial would be suitable for the control of the given bacterial…

A: Bacterial culture control means to inhibit the growth of that bacteria. Growth of bacteria can be…

Q: Enteric bacteria include Staphylococcus and Streptococcus spp. True or false

A: It is required to check the statement “Enteric bacteria include Staphylococcus and Streptococcus…

Q: A microorganism has a D135 of 2 min. How many microorganisms will be left in the food sample after…

A: Antimicrobials are agents that either kill microorganisms (microbicidal) or stop their growth…

Q: Below are photos of 3 bacteria, letter lableled, inoculated onto MSA plates and incubated. Note no…

A: Microbiology is the study of microscopic organisms that are mostly not visible to the naked eye.…

Q: typical labeled sketch of a bacterial growth curve in batch culture

A: Batch culture is a laboratory culture method in which bacteria has grown in large scale.  Here…

Q: Give a brief but critical discussion about microbial growth in natural environments and how it…

A: Living creatures reproduce and grow. Microbes become metabolically active and proliferate when they…

Q: Which of the following statements regarding microbial death is FALSE? Question options: cell…

A: Microbial death is defined as the permanent loss of reproductive capacity of microbes under ideal…

Q: Bacterial cells can form colonies on the following media EXCEPT: Select one: Nutrient broth Agar…

A: The nutrient broth is the liquid nutrient media that lacks the solidifying agent. It is used for…

Q: To prepare nutrient agar medium, you have to pour approximately. mL of medium into the Petri plat a.…

A: A patri dish is a normal in which is used for the growth of bacteria and other microorganisms. it is…

Q: When testing antimicrobial compounds on lawns of plated bacteria, the strongest germicide could…

A: Bacteria are prokaryotic unicellular organisms that are omnipresent in the environment. There are…

Q: You inoculate a species of bacteria on a MacConkey agar. It normally shows positive for growth and…

A: MacConkey agar is a selective differential indicator to isolate gram-negative and enteric bacteria.…

Q: You inoculate a species of bacteria on a MacConkey agar which normally shows positive for growth and…

A: MacConkey agar is a selective and differential medium. It contains bile salts and crystal violet…

Q: Use of chemical agents to destroy microbes on skin or tissues Reinoval of microbes from surfaces by…

A: Pathogen are the organisms that can cause disease or infections after invading the host cells and…

Q: Sterility: O is achieved by most disinfectants and antiseptics (i.e., chemical agents) O is achieved…

A: Sterilization is the process of complete elimination or destruction of all life forms where as…

Q: Which of the following statements regarding microbial control agents is FALSE?   Question options:…

A: all of these statements are TRUE.

Q: An organism capable of growing only in a low salt concentration, such as saline, is considered…

A: According to guidelines we have to answer the first question only. so please kindly post the…

Q: suffering severely due to alkaloid production a

A: Plants have an important source of life-saving medications where it is used in two ways such as…

Q: Below is an MSA plate inoculated with bacteria and grown at 37*C for 2 days. Be pecific and thorough…

A: MSA plates inoculated with bacteria shows yellow color.

Q: The thermal death time in an autoclave at 121oC for a microbial culture was thirteen minutes. The…

A: sterilization is the process by which microorganisms in a object or surface is completely destroyed…

Q: Which of the following statements regarding low temperature storage is FALSE?   Question options:…

A: Introduction :-  In households, most of the daily use products are stored in refrigerator for their…

Q: ello, please answer the following Microbiology question correctly. *If you solve the question…

A: Water- a substance that is composed of the chemical elements such as hydrogen and oxygen with…

Q: When a disinfectant or antiseptic's effectiveness is expressed as a phenol coefficient, a number…

A: Phenol coefficient:  It is a way to compare bactericidal (killing bacteria) nature of a chemical…

Q: agar is autoclaved

A: Answer :

Q: You are testing for Escherichia coli in the sample. What media would you use? and Describe typical…

A: A medium in microbiology is defined as a solid or liquid substance used to culture the…

Q: Certain endospore-forming bacteria are a particular concern of the canned food industry. Name one of…

A: Some bacteria can survive adverse environmental conditions such as extreme temperature differences…

Microbial Growth

The development of microbial growth is influenced by various natural conditions (both physical and synthetic) like pH, temperature, saltiness, gas focus (O2, CO2, and H2), nutrients, water action, and assimilation. Knowing the distinctive physical and chemical factors that influence the development and endurance of microbial growth in the climate will assist with reinforcing endeavors outfitted towards their control. These lines lessen or diminish their harmful impacts on humankind, creatures, and the climate.