A surface chemical that prevents microbial growth is? - Answers
Jun 15, 2024 · Hypertonicity can be used to control microbial growth by creating a high-salt or high-sugar environment that causes water to leave microbial cells, leading to dehydration and cell death.
Why are plate cultures incubated in an inverted position?
Jun 9, 2024 · The extended incubation could also lead to the drying out of the medium, affecting colony appearance and potentially inhibiting the growth of fastidious or slow-growing bacteria.
Why agar plates inverted during the incubation period? - Answers
Jun 20, 2024 · Storing agar plates inverted helps prevent condensation from collecting on the agar surface, which could interfere with bacterial growth or lead to contamination.
What are signs of growth in liquid medium? - Answers
Jun 16, 2024 · Onother view: If talking about liquid broth medium in laboratory then it can be estimated by the increase in turbidity which is caused by increase in number of microbial cell and we can …
How does streptomycin kill bacterial cells? - Answers
Jun 1, 2024 · No, bacteriostatic agents inhibit the growth and reproduction of bacterial cells but do not directly kill them.
What does it mean to have normal oropharyngeal flora present
Nov 12, 2024 · What does heavy growth mixed oropharyngeal flora in throat mean? Heavy growth of mixed oropharyngeal flora in the throat typically indicates the presence of various bacteria that are …
Why will be doing alcoholic acidity test in flour mill what purpose ...
Nov 8, 2022 · reason behind the checking alcoholic acidity is that to check the microbial growth in floor, if moisture content higher in floor so the possibility of alcoholic acidity higher, it shows the ...
Can mold or bacteria grow in coconut oil? - Answers
Aug 12, 2025 · Coconut oil has natural antimicrobial properties, which make it less susceptible to mold and bacteria growth compared to other oils. However, if contaminated with water or other organic …
Why are culture media not sterilized in hot air sterilization?
Apr 3, 2025 · Instead, autoclaving or steam sterilization is preferred for culture media as it utilizes moist heat to achieve effective sterilization without damaging the nutrients essential for microbial growth.
What is the function of beef extract in media? - Answers
Nov 8, 2022 · Beef extract is used in nutrient agar as a source of amino acids, vitamins, and other nutrients that support the growth of a wide variety of microorganisms.