Besides better aeration and mixing properties, what other advantages do stirred tank bioreactors have over shake flasks?

Q: Why is excreted organic matter important to many ironoxidizers?

A: Iron oxidizers are chemotrophic bacteria that derive their energy by oxidizing dissolved ferrous…

Q: what is the definition of  Packed bed reactor (PBR)?

A: Introduction: The chemical industry is extremely vital to economies all over the world, as it is…

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: Why is ionizing radiation more effective than UV radiation forsterilization of food products?

A: Ionizing radiations are the radiations that are released by the atoms that travels in the form of…

Q: Before inoculating and pouring molten nutrient agar into a plate, why must the agar first be cooled…

A: Agar or agar-agar is a jelly-like substances obtained from red algae. Agar is a solidifying agent…

Q: Why should the use of nichrome or iron containing loop/wire be avoided as an inoculating device when…

A: The oxidase is a test used in microbiology to identify bacteria that produce cytochrome c oxidase.…

Q: Would you expect the analytical results for ammonia-nitrogen to be higher than, lower than, or the…

A: Yes ammonia nitrogen level increase in waste water which was prior stored without acidification.

Q: What is the most efficient disinfectant of the following ( Alcohol, chlorine, soap ,hijyn), and…

A: Disinfectants are chemical agents that are built on inert surfaces to inactivate or kill…

Q: What is the EFFECT and RATIONAL of Molten agar mixed with bacterial suspension has temperature…

A: Bacteria can be cultured in either a liquid media or a solid media based on the purpose of culturing…

Q: What concentration of agar is used in a semisolid medium for motility determination? How does that…

A: Agar is a polysaccharide that is obtained from marine seaweeds. Agar is mostly used in food and…

Q: Why is immobilization a good strategy for dealing with uraniumpollution?

A: Uranium (U) is a radioactive chemical element of the actinoid series of the periodic number with an…

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: How can a life cycle of microorganism and heat resistance graph be used to determine the boiling…

A: Heat is one of the effective as well oldest physical methods that have been employed for microbial…

Q: When is sterilization by filtration preferred over sterilization by heat? Why? What makes heat an…

A: Answer :- 1)Filteration is the sterilization process wherein there is the physical removal of…

Q: What are high level disinfectants? What is an example of one? What is the method of action and the…

A: Disinfectants are chemicals that are used to kill the microorganisms present in the surroundings.…

Q: what is oil immersion and why is it used

A: Light microscope is a microscopic instrument which uses visible light and magnifying lens to to view…

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: Why do you think autoclave sterilization of media is preferred over open flame?

A: An autoclave is used to sterilize surgical equipment, laboratory instruments, media  and other…

Q: Why is Escherichia coli used as an indicator organism inmicrobial analyses of water?

A: The well-known gram-negative bacteria are E. coli (Escherichia coli).

Q: What is the difference between a fume hood and a biological safety cabinet (BSC)? Support your…

A: HEPA filters or High-efficiency particulate absorbing filters are used for filtering the air and to…

Q: When preparing samples for SDS-PAGE, what is the purpose of boiling the samples at 95°C?

A: Electrophoresis is a laboratory technique used to separate and isolate desired nucleic acid…

Q: What is Pindolol drug solubility in water, acidic medium, basic medium?

A: Pindolol is a non selective beta blocker, mainly used in the treatment of hypertension, angina.  It…

Q: Wastewater treatment process is endothermic or exothermic?

A: The wastewater treatment process is done in the wastewater treatment plant. It is completed in three…

Q: mportance of pH adjustment in culture media?

A: Culture media is also known as growth media. It is a mixture of nutrients that helps for the growth…

Q: For what the stirred tank bioreactors have been designed?

A: Bioreactors are generally used for microbial fermentation processes. It has a headspace volume and…

Q: Why is scale formation typically only a problem in hot water pipes?

A: Scaling is a deposition process of calcium and magnesium salts.

Q: In determination of microbial motility, what is the value of a hanging-drop perparation? what is the…

A: Hanging drop is a motility testing which helps microbiologist to view motility of bacterium.

Q: Salt Treatment Tap Water Treatment Distilled Water Treatment   Which of these experimental…

A: A hypertonic solution contains a higher concentration of solutes compared to another solution.…

Q: Of what practical importance are air borne microorganisms to the laboratory workers?  What…

A:

Q: 7.3x105 CFU/ml= Broth culture, how many bacteria would be contained

A: The number of viable bacterial cells in liquid culture is estimated by means of a colony-forming…

Q: An autoclave is typically used for sterilization of media. a. Define sterilization. b. Under what…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: Why is it important tonanimize heat loss around the distilling head (the 3-way adapter that connects…

A: Distillation, the process that involves the conversion of a liquid into vapor at a specific…

Q: Why do you need to use antifoams in fermentation medium? How you could avoid from contamination…

A: Fermentation is a biochemical process that involves chemical changes in organic substrates, such as…

Q: What are the advantages of solid media  ?

A: Microbial culture is a method of multiplying microbes by allowing them to reproduce in a…

Q: ph Minimum Optimum Maximum Escherichia coli 4.5 7 9 Pseudomonas aureus 4.5 7.5 9.5 Staphylococcus…

A: The change in the number of live cells in the population of bacteria over the period is…

Q: what is the working principle of packed bed and adiabatic reactor

A: The change in system occurs without the movement of heat or substance between a thermodynamic system…

Q: Requirements of Autoclave for sterilization

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

Q: Other than treated water, what are the final products ofwastewater treatment? How might these end…

A: Wastewater treatment involves multistep process of primary treatment, secondary treatment and…

Q: Why is egg enrichment not added to BPA prior to sterilization?

A: Baird–parker agar or BPA is a selective medium is identify or isolate S. aureus in food. It contains…

Q: Why bacterium Thermus thermophilus is used ?

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

Q: What type of media components cannot be sterilized in an autoclave?

A: Sterilization refers to the complete destruction or elimination of all viable organisms. The process…

Q: What are the advantages of enhanced biological phosphorusremoval (EBPR) relative to traditional…

A: Wastewater from the laundry, household detergents which contain phosphate, comes under the category…

Q: Agar is a solidifying agent used in media preparation. How and why does the agar concentration in…

A:

Q: What is Bioreactor? What are the advantages of Stirred tank Bioreactor over Shake flask.

A: Large-scale production of organic substances such as antibiotics, hormones, vitamins, acids,…