What is the point of the pressure in the autoclave sterilization?

Q: Why does a precipitate form on Sierra’s medium when inoculated with a lipolytic organism? Discuss…

A: Nutrient mediums are used to provide growth to the microorganism in invitro experiments. These…

Q: What is sterilization? Give specific examples of media which are sterilized by the following…

A: All microbes, such as bacteria, virus, and fungi, requires some essential nutrients for growth. The…

Q: Can culture media be sterilized in the hot air sterilizer? Why or why not?

A: Hot air sterilization is a procedure in which the sterilization of the objects are done using hot…

Q: Why del factor is important in media sterilization?

A: Sterilization, which was called by various means such as Del factor, Nabla factor and the…

Q: Why is resazurin a useful media additive for the study of anaerobes?

A: Resazurin is a weakly fluorescent, non-toxic, redox-sensitive phenoxazine dye which has a…

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: What is the effect of moist heat and dry heat? Define TDT and TDP. What is the minimum sterilization…

A: Sterilization is defined as a technique which is used for complete removal, killing or deactivation…

Q: what type of bacteria would be used to make sauerkraut?

A: Sauerkraut is product of cutting raw cabbage that fermented by various lactic acid bacteria. The…

Q: Identify applications for ethylene oxide sterilization.

A: KEY WORDS :- Ethylene oxide - It is a gas which is flammable in nature and colorless which is used…

Q: What is the primary reason that wine is pasteurized?

A: Food technology is a branch of science which deals with various aspects of food science such as…

Q: Why is the time of exposure and temperature required for sterilization greater for dry heat than for…

A: Any technique that removes, destroys, or deactivates all forms of life and other biological agents…

Q: Under what conditions are media typically sterilized in an autoclave?

A: An autoclave is the pressure chamber used to carry out the scientific and industrial processes…

Q: Why is the batch bioreactor is suitable in milk fermentation?

A: Batch bioreactor is a closed system and  the process lasts until the nutrients are consumed.

Q: Why is CFU more applicable to a culture of Streptococcus than to a culture of E. coli?

A: Colony-forming unit (CFU) represents the number of colonies formed on the media plate from one…

Q: What is differential medium and differential media? Explain the difference ?

A: Difference between differential medumium -   .- A differential medium support the expansion of any…

Q: why do microorganisms differ in their response to disinfectants

A: Microorganisms are the minute microscopic organism that is generally invisible to the human eye.…

Q: In the differential absorption heterophile test, what findings are diagnostic of IM?

A: Infectious mononucleosis is a very common disease in adults with symptoms such as malaise,…

Q: Is the autoclaving process absolute in killing all microorganisms? If not, what are the factors that…

A: Autoclave is an instrument or device which is used in  method of moist heat sterilisation; while…

Q: What is the principle behind sterilizing media before use and before disposal

A: Microorganisms may be beneficial or harmful. The harmful microorganism causes many infections which…

Q: Identify the microorganism/ group of microorganisms involved in the spoilage of Salmon pink…

A: Fermentation is a metabolic interaction that produces chemical changes in natural substrates through…

Q: What is the use of hay infusion in determination of microbial motility?

A: Hay infusion use in determination of microbial motility.

Q: What settings and time are normally used for sterilization in an autoclave?

A: The fundamental rule of steam sterilisation as cultivated in an autoclave, is to open every thing to…

Q: What is an alternative to autoclaving for sterilizing heat-sensitive materials?

A: Any process that kills, eliminates, deactivates, or removes all forms of microorganisms and…

Q: Explain why it is essential that bacteria cultures be sterilized in an autoclave.

A: The microbial cultures are grown in the laboratory so as to multiply them or increase the number of…

Q: Why are most antimicrobial chemical agents disinfectants rather than sterilants? What general…

A: Most chemical antimicrobial agents are disinfectants instead of sterilants. A disinfectant reduces…

Q: What is the media used in Urease Test and expected results?

A: Urease test is defined as a biochemical test that distinguishes the basic alkaline fermentation of…

Q: What is the name of this media? What type of media is it? What does the yellow color indicate? What…

A: Selective media generally selects for the growth of a desired organism, stopping the growth of or…

Q: what is sterilization or define sterilization?

A: Sterilization is defined as the process where all the living microorganisms, including bacterial…

Q: What are the possible ways to sterilize heat labile products? Explain your answer with suitable…

A: Heat labile materials are those substances that can undergo change rapid change when exposed to high…

Q: In an autoclave, how are temperatures above boiling achieved? (Answer in not more than 2 sentences)

A: The air in the autoclave chamber is removed and replaced by the increasing amount of steam trapped…

Q: What are the criteria for media selection and the basic requirements for media formulation for…

A: Fermentation is a metabolic process that produces chemical changes in organic substrates through the…

Q: What is the temperature for pasteurisation?

A: There are several methods to preserve food products and beverages or to increase their shelf life,…

Q: What type of agar is MacConkey agar?

A: MacConkey agar or MAC which is also described as a bacterial culture medium was named after the…

Q: Requirements of Autoclave for sterilization

A: autoclave is an instrument used for sterilization of equipments and media cultures etc in the…

Q: Why bacterium Thermus thermophilus is used ?

A: Thermus thermophilus is a Gram-negative bacterium used in a range of biotechnological applications,…

Q: ther than the application of heat, name other methods of sterilization. Define the methods and give…

A: Sterilization is the process of completely destroying all microorganisms on the surface of an…

Q: What are the factors that influence the efficiency of chemical sterilization?

A: Chemical Sterilization is the process of removal of microorganisms by the use of chemical…

Q: Write the limitations of sterilization by Dry heat?

A: The dry heat sterilization technique includes the removal or killing the microorganism and require…

Q: What method can be used to achieve sterilization?

A: It is required to describe the method to be used to achieve sterilization.