0
In pour plate technique the culture to be grwon is pour in melted agar medium, now when we add the diluted sample in agar plate and if the melted agar is very hot, it can lead to the damage of bacterial or fungal cell and may cause in abruption of growth, so the agar is cooled to get the optimum temp. for growth of microbial cell.
What else can I help you with?
How are gases cooled?
Gases can be cooled through various methods, including expansion, where the gas does work on its surroundings, leading to a decrease in temperature. Another method is by heat exchange, where the gas is passed through a cooling medium, such as water or a refrigerant, which absorbs heat from the gas. Additionally, gases can be cooled through processes like adiabatic expansion, where no heat is exchanged with the environment, resulting in a drop in temperature as the gas expands.
What must be done to the hot gas leaving the compressor before it may be condensed?
Before the hot gas leaving the compressor can be condensed, it must be cooled to a temperature below its saturation point. This typically involves passing the gas through a heat exchanger or condenser where it loses heat to a cooling medium, such as air or water. Additionally, any superheating should be minimized to ensure efficient condensation. Once adequately cooled, the gas can then be condensed into a liquid phase.
What happens to the kinetic energy when a substance is cooled down?
It's dispersed into the surrounding medium, which heats up. Depending on the circumstances, it is conducted, convected, or radiated.
What limits bacterial growth within a culture of medium?
Bacterial growth within a culture of medium can be limited by factors such as nutrient availability, pH levels, temperature, oxygen levels, and the accumulation of waste products. These factors can either promote or inhibit bacterial growth depending on their specific conditions.
Why does the speed of sound change if the temperature of the medium change?
The speed of sound is directly proportional to the temperature of the medium. This is because temperature affects the average speed of the molecules in the medium, which in turn affects how quickly sound waves can travel through it. As temperature increases, the speed of sound also increases due to the higher molecular activity.
How are gases cooled?
Gases can be cooled through various methods, including expansion, where the gas does work on its surroundings, leading to a decrease in temperature. Another method is by heat exchange, where the gas is passed through a cooling medium, such as water or a refrigerant, which absorbs heat from the gas. Additionally, gases can be cooled through processes like adiabatic expansion, where no heat is exchanged with the environment, resulting in a drop in temperature as the gas expands.
What must be done to the hot gas leaving the compressor before it may be condensed?
Before the hot gas leaving the compressor can be condensed, it must be cooled to a temperature below its saturation point. This typically involves passing the gas through a heat exchanger or condenser where it loses heat to a cooling medium, such as air or water. Additionally, any superheating should be minimized to ensure efficient condensation. Once adequately cooled, the gas can then be condensed into a liquid phase.
What is the average medium temperature of Celsius?
There is no such thing as the average medium temperature.
What happens to the kinetic energy when a substance is cooled down?
It's dispersed into the surrounding medium, which heats up. Depending on the circumstances, it is conducted, convected, or radiated.
What is the medium for regulating body temperature?
medium for regulating body temperature is water
What is medium cooking?
its when you cook on a medium temperature
What factor can cause cells to divide in a culture medium?
Protein signals cause cells to divide in a culture medium.
What is Stuart's medium?
Stewart's medium is a type of culture transport medium (in broth form) used to preserve bacteria until it is cultured. Stewart's medium can be found in specific culture test tubes.
What is the approach temperature difference?
The approach temperature difference refers to the temperature difference between the cooling medium (such as air or water) and the temperature of the process fluid that is being cooled or heated in a heat exchanger. It indicates how close the outlet temperature of the cooling medium is to the inlet temperature of the process fluid. A smaller approach temperature difference typically signifies a more efficient heat exchange process, as it means that the heat exchanger is effectively transferring thermal energy between the two fluids. This concept is crucial in designing and optimizing heating and cooling systems for improved energy efficiency.
How to culture bacteria in the laboratory effectively?
To culture bacteria effectively in the laboratory, follow these steps: Prepare a sterile growth medium with nutrients for the bacteria to grow. Inoculate the medium with a small sample of bacteria. Incubate the culture at the optimal temperature and conditions for the specific bacteria. Monitor the growth of the bacteria by observing changes in the culture. Use proper aseptic techniques to prevent contamination. Regularly subculture the bacteria to maintain a healthy and active culture.
What limits bacterial growth within a culture of medium?
Bacterial growth within a culture of medium can be limited by factors such as nutrient availability, pH levels, temperature, oxygen levels, and the accumulation of waste products. These factors can either promote or inhibit bacterial growth depending on their specific conditions.
What is the recommended cooking temperature for medium burgers?
The recommended cooking temperature for medium burgers is 160F (71C).
