what are psychrotolerant bacteria and examples of it.

Q: What are ambient microorganisms? Why should they not be present duringsubculturing?

A: There are some living organisms that cannot be seen by the naked eye and only can be seen under the…

Q: Is the plasmodium falciparum a facultative anaerobe? If not, what would it be?

A: Plasmodium falciparum is a protozoan parasite, that is the causative agent of the most severe form…

Q: Do common fungi such as bread mold produce antimicrobial compounds?

A: The fungi are cosmopolitan and are almost found everywhere. There are variety of fungi present…

Q: Phenyl Ethyl Alcohol agar encourages the growth of what type of microorganisms?

A: Answer - Option A - Gram positive bacteria

Q: Why do you have to boil the agar solution before dispensing it into tubes?

A: Agar is the medium which can used to grow the micro organisms in petri plates. The selected…

Q: What are the most common methods of male and female surgical sterilization?

A: Fertilization is a natural process of producing children and offspring where the male gamete(sperm)…

Q: why is it that psychrotrophs placed in TSA medium are incubated at 7oC?

A: Psychrophiles are organisms that can survive and reproduce in low temperatures as low as -20 degrees…

Q: What are the physical methods of microbial control

A: Control of microorganisms is fundamental to forestall the transmission of illnesses and disease,…

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

A: Air is the carrier of many microbes. These microbes that are suspended in air particles are called…

Q: How does bacteria grow on agar plates?

A: Bacteria are the most primitive organisms on Earth. They can survive in most extreme environments as…

Q: What kinds of organisms are used in coculture withSyntrophomonas?

A: Syntrophomonas is a gram negative bacteria belongs to Syntrophomonadaceae family. This bacteria…

Q: What are the microbes used in fermentation of products?

A: Food products contain many types of microbes transmitted either through the soil, plants, animals,…

Q: What are microbial pesticides?

A: The word biopesticide is formed of :-  Bio + pesticides  Bio means living while pesticides means…

Q: What bacteria grow on both a MacConkey agar plate and Mannitol Salt agar?

A: Selective media  The media is a kind of growth media which only allow the growth of a perticular…

Q: Differentiate between psychrophile and psychrotroph.

A: Different microorganisms require an optimal range of temperature conditions to survive and thrive.…

Q: how does increasing the incubation temperature at which a plate containing psychrotrophic bacteria…

A: Psychrophiles or cryophiles (adj. psychrophilic or cryophilic) are extremophilic organisms that are…

Q: Write a note on different culturing, metabolic and physiological techniques used in the Microbiology…

A: Microbiolgy delays with the culturing of microbes in the media and than used for making copies and…

Q: why is microalgae spirulina is most commonly used to reduce air pollution?

A: Pollution is the presence of harmful substances in the environment. These harmful substances are…

Q: How alcohol is effective at contolling microbial growth?

A: Sterilization: Sterilization includes the complete wipeout of all microscopic life on a surface.…

Q: Which microorganism does not contain superoxide dismutase enzymes?

A: Superoxide dismutase (SOD) is an enzyme found altogether in living cells. An enzyme could be a…

Q: what is the cause of different species of psychrotrophic bacteria growing in the CTSA medium at 7…

A: They can grow at extreme low temperatures and lead to spoilage of food by modifying the compounds…

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: How does the extremely high resistance of bacterial endospores influence sterilization practices,…

A: Endospore refers to a nonreproductive, dormant composition generated by some kind of bacteria. It…

Q: Describe the colony morphology if Neisseria Gonorrhoeae if it is grown in agar plates in the…

A: Neisseria Gonorrhoeae, also known as gonococci, is a gram-negative diplococcus. In 1879 this…

Q: Why are Sterilization, Antisepsis and disinfection necessary?

A: Sterilization is the process of killing or deactivating all forms of microorganisms and spores.…

Q: Example of psychrotrophic bacteria includes:

A: Psychrotrophic bacteria are those bacteria which can grows at 7°C although their optimal growth…

Q: How does sterilizer spray work from drones?

A: Sterilization is a process by which a material is completely devoid of microorganisms like bacteria,…

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: Which common hospital pathogen is able to grow abundantly in soap dishes?

A: The most common type of the prokaryotes is bacteria. They are found in every existing environment on…

Q: When would tertiary treatment of wastewater be necessary ?

A: Water is the important natural resources.Water treatment is done in order to reuse the water again…

Q: What is the Gram reaction and oxygen requirement of Sporothrix schenckii?

A: Sporothrix schenckii is considered a thermally dimorphic fungus with a ubiquitous distribution. It…

Q: How might Campylobacter contamination of food productionanimals be controlled?

A: Campylobacter infection is caused by Campylobacter bacteria. It is the most common bacterial cause…

Q: How does an autoclave sterilize instruments? What is used to dry glassware and at the same time

A: Autoclaving is the best method for sterilizing glass instruments. Sterilizing means removal of all…

Q: What is the optimum growth temperature for most human pathogens? Explain.

A: Bacterial growth is the division of one bacterium into two daughter cells in a process called binary…

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

A:

Q: What is the most difficult type of microbial cell or structure to kill? What methods can be used to…

A:

Q: How is household antibacterial soap like a weapon against pathogenic bacteria?

A: Antibacterial soaps are those that contains certain chemicals that inhibit the growth of pathogens .

Q: What are the reasons for finding Gram-positive organisms on a MacConkey agar plate?

A: As per our honor code, we are allowed to answer one question at a moment. You have posted multiple…

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: What microbe requires serum components to be added to the growth medium?

A: Introduction Microorganisms:- An organism that can be seen only through a microscope, They live in…

Q: How do you isolate cryptosporidium from sewages and the best technique used?

A: Cryptosporidium refers to the genus that includes apicomplexan parasitic alveolates that can cause…

Q: Why would a psychrophile not be a human pathogen?

A: Microbes are classified according to the temperature range at which they can grow. The development…

Q: What is a biofilm, and how did it form on the heart valve?

A: Biofilms are a collective of one or more types of microorganisms that can grow on many different…

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.

Q: Describe the appearance of coliforms on Levine EMB agar.

A: Coliform bacteria are found in a diverse range of places like waste products of animals, water…

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.