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How would you sterilize a heat-sensitive growth medium containing thermoduric bacteria?
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∙ 16y ago
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∙ 16y ago
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What bacteria is in nitrogen compounds?
Bacteria Certain bacteria can use nitrogen from the air to make nitrogen-containing substances called nitrites. Other bacteria can turn nitrites into nitrates-another group of nitrogen-containing substances.
Why can filtration be used to sterilize culture media?
Sterility can be achieved with filtration as filtration will allow the positive bacteria to sift through, while the negative harmful bacteria will be pulled out and separated from the organism as it once was.
What is a fluid containing weakened disease causing viruses of bacteria?
its a vaccine
Can ozone sterilize meat?
Yes and No. Ozone will kill bacteria and all pathogens on the meat if used correctly. Therefore ozone is a great anti-microbial agent. Important to remember: anti-microbial = reducing bacteria Sanitize = 3 log (or more) reduction in bacteria Sterilize = removal of all bacteria and life While ozone could potentially sterilze, it would be cost prohibitive to do so. The level of ozone in water, or air + contact time would be so high that no food plat would implement ozone for this use.
What are some foods without bacteria?
There is bacteria in almost anything you eat. The only way to ensure that food is devoid of bacteria is to somehow sterilize or disinfect it, which would most likely either cause it to lose its nutritious properties, or infuse it with harmful substances. Therefore, finding a food without bacteria would be a very difficult task.
What are the temperatures of thermoduric?
Thermoduric bacteria are those that survive the temperatures used in pasteurisation: 63ºC for 30 minutes or the equivalently lethal temperature.
What is the difference between thermophilic and thermoduric bacteria?
Thermophilic bacteria have growth temperatures that range from 45C to 85C, with an optimum temperature of about 60C. Thermoduric organisms can survive at extreme temperatures, e.g. pasteurization, but cannot grow.
Can we use alcohol to sterilize?
No. Alcohol does not sterilize, it does kill some bacteria but it takes time to do so.
Does UV light sterilize utensils?
UV light radiation kills bacteria and can sterilize utensils (UV rays are used to sterilize goggles in the laboratory, for example.
Why are all manipulations of bacteria culturing carried out next to a lit Bunsen burner?
The lit Bunsen burner is used to sterilize the loop, needle, and the openings of test tubes containing cultures, or that will be inoculated.
What is thermophilic bacteria?
The thermoduric bacteria refers to the bacteria that can survive to varying extent. This type of bacteria is able to survive the pasteurization process.
Where do vets sterilize there instruments?
Yes. If not, bacteria could grow on them.
How do you sterilize ground with chlorine bleach?
You can sterilize the ground if you have diseased soil, but only for that reason. If you sterilize the soil you kill the bacteria that is needed for most root systems to develop a healthy plant. Bleach will not sterilize soil as it is nuetralized by organic material.
Will slow cooking meat cook out all of the bacteria on questionable meat?
It will kill a lot of bacteria, but it does not sterilize the food.
What is a good method to sterilize food?
boiling the food will kill bacteria but the spore cant survive.If you want to sterilize foods a presure cocking can work fine.15 after that the water has boiled all bacteria and viruses also spores will be killed.
What is the meaning of sterilant?
to sterilize means to make it germ- free
Can you sterilize food by heating it in microwave for 4 minutes is a fly landed in it?
yes you can as the heat destroys bacteria
