In the multiple fermentation tube technique does the absence of gas formation after 24 hours constitute a negative presumptive test for coliform bacteria? Explain!

Q: What is the advantage in using LSTB in the presumptive test for the presence of coliforms?

A: LSTB has selective properties that favor the growth of coliform bacteria while inhibiting the growth…

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

A: Some microbes are nutritionally fastidious and hence needs some substances to be added to the growth…

Q: Menaquinones is produced by Flavobacterium meningosepticum via submerged fermentation with 60%…

A: Menaquinone are commonly known as vitamin K2. The structure of compound indicates that the compound…

Q: A bacterial organism is used to inoculate mannitol broth medium. Following incubation the broth is…

A: A nutrient growth medium is a type of solution or mixture that is designed to provide nutrients to…

Q: Why should culture media after inoculation be incubated at an optimal temperature immediately?

A: Culture media, also called as growth media, are particular combinations of nutrients and other…

Q: can the phenol red test also be used to determine if a certain bacterium can metabolze various…

A: Differential media is a type of growth media used in the labs to grow and differentiate or…

Q: Listen ▶ Which of the following methods of microbial control is used most often with surgical…

A: The answer is option A - Autoclave

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.