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

Q: Why bleach disinfectant will the most effective against probiotic?

A: Probiotics are live microorganisms that have health benefits when consumed. These are usually…

Q: Which of the following would be best for sterilizing a pre-sealed case of plastic medical supplies?

A: Answer - Autoclave

Q: methods of sterilization

A: Sterilizationis  the statistically complete destruction of all microorganisms including the most…

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: Choose two from the following culture preservations that are best to use when only an ordinary…

A: Many laboratories and biological companies maintain large culture collection centres. These are…

Q: Why is it sufficient to stain cells from a SDA (Sabouraud Dextrose Agar) plate with crystal violet…

A: Introduction : Sabouraud agar, often known as Sabouraud dextrose agar (SDA), is a peptone-containing…

Q: What are the approaches for sterilization during the production of sterile products? Please answer…

A: destruction or complete removal of all living organisms and their spores is called as sterilization.…

Q: In the laboratory, autoclaving is required to prepare media for the growth of What type of method of…

A: The most effective method by which we sterilize the laboratory instruments is known as autoclaving.

Q: Serial dilution is recommended prior to pour and spread plate. Why is this so?

A: Pour Plate: it is a technique in which A plate made by combining the inoculum which is cooled but…

Q: A broth culture is initially inoculated with a single bacterial cell. For the first hour the…

A: * Given that  The bacteria has generation time of 30 minutes. So it takes about thirty minutes to…

Q: Why would hydrogen peroxide be an effective disinfectant?

A: We have to answer why hydrogen peroxide can be an effective disinfectant.

Q: Why is heat an effective sterilizing agent?

A: Heat Energy : It is a form of energy which takes place by the movement of the minute particles…

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: What temperature is considered adequate for achieving sterilization of a compost pile?

A: temperature considered for achieving sterilization of a compost pile is 135-160 F. At a…

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: If you have a substance that you wish to sterilize (without destroying), and that substance is…

A: Introduction Any procedure that eliminates, eradicates, or renders inactive all life…

Q: Can culture media be sterilized in the hot air sterilizer? Why or why not? (Answer in not more than…

A: Sterilization is defined as a process by which an agent is used to destroy or remove the…

Q: Name and explain the culture media that can be used for cultivating non-specific and specific…

A: a) nutrient agar & tryptic soy agar, & brain heart infusion agar are culture media that can…

Q: Oven sterilization of aqueous culture medium. Effect: Rationale:

A: Oven sterilization utilizes dry heat of about 160 or 170 degrees celsius for one hour or 30 minutes,…

Q: You have a broth medium that you would like to turn into a solid medium in order to do streak…

A: The "nutrient broth" is essentially nutrient agar without the solidifying agent. They stay liquid at…

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: If you prepare culture media plates 2 days ahead of the laboratory schedule, can you still use the…

A: Preparation of culture media and inoculation are two of the very sensitive steps in any…

Q: What is a pure culture and how can one be obtained

A: Cells are the structural and functional units of life.

Q: What are some advantages and disadvantages of using ionizing radiation to sterilize food?

A: Sterilization involves physical methods for removing or controlling the microbes. The physical…

Q: During media preparation, you observed that the agar medium did not solidify after sterilization…

A: Nutrient Agar Medium is the artificial media which is used to grow microbes. It provides essential…

Q: Which of the following best descrives UTI agar? Selective growth media; Differential Growth Media;…

A: A growth or culture medium is a liquid, solid or semi-solid medium, which is designed in a way that…

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: Why does dry heat require higher temperatures for longer time periods to sterilize than moist heat

A: Sterilization may be defined as the process which help in the complete removal of all…

Q: Why is a Bunsen burner used in the microbiology lab? (select all that apply) The flame is used to…

A: Answer -The flame is used to sterilize the inoculating loop. -The flame kills microorganisms that…

Q: What compounds or chemicals might be added to a medium to make it selective?

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

Q: What is the difference between selective and differential media? Give one example of each.

A: Culture medium is referred to as a medium of nutrients that supports microbic growth. The amount of…

Q: Which of the following is used in the sterilization of the medium? a) benmarge b) swab c) autoclave…

A: Sterilization is the process of making something (instrument, swab, room etc. ) free of microbes…

Q: If my cultures are suffering severely due to alkaloid production and accumulation in the medium. In…

A: Alkaloids are basically the natural substances that can be used largely for human medication.…

Q: Explain the rational of using saponification-solvent extraction to extract pyrene from milk

A: Asked : Rational of using saponification-solvent extraction to extract pyrene from milk

Q: Spores and toxin-producing microorganism produce toxins need higher Aw than minimum Aw for microbial…

A: Water activity (aw) is basically a term describing the availability of water to microorganisms. It…

Q: Why should you filter some liquids for sterilization, rather than autoclaving them?

A: To control microbial growth or contamination there are a number of aseptic techniques developed that…

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 is the meaning of the word sterile? What would happen if culture media freshly prepared were…

A: Sterile It refers to the state of being free from any bacteria or any other living microorganisms.…

Q: What is the physical appearance (solid, liquid, semi-solid) of following media:Agar deep tube

A: Bacterial culture media is a kind of growth media in which the required bacteria is  cultured. The…

Q: What are the primary uses of the following preparations of culture media? Agar regular slant Agar…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: Which ingredient is included in the motility test to make the results easier to see? bromthymol blue…

A: A motility test is a test that is performed to check whether the organism is motile in its nature or…

Modes of Nutrition

It is a biological process of providing or obtaining food that is necessary for growth and health. It includes many physiological processes - absorption, ingestion, assimilation, catabolism, excretion, etc. In biology, the science that deals with nutrition's physiological and chemical processes are called "nutritional science."