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How are all bacteria toxins killed?
Toxins are not alive, they are just chemicals which hurt us. They can be made by bacteria among other things. The bacteria can be killed by sufficient heat, but not all toxins are destroyed by heat.
Harmful bacteria in food can be killed by?
Cooking the food. Raising the heat to te proper level kills bacteria.
Bacteria is killed by what?
Bacteria can be killed by various methods, including heat, antibiotics, disinfectants, and certain chemicals. Heat can denature the proteins in bacteria, leading to their death. Antibiotics target specific pathways or structures in bacteria, preventing their growth and reproduction. Disinfectants and chemicals can disrupt the cell membrane or interfere with the metabolic processes of bacteria, leading to their elimination.
Why was the mixture of heat killed s bacteria and r bacteria virulent?
The live R bacteria acquired a capsule and became live, virulent S bacteria.
What is Fredderick Griffith hypothesis?
Frederick Griffith hypothesized that live, harmless bacteria and the heat-killed bacteria were mixed, some factor was transferred from the heat-killed cells into the live cells! it has nothing to do with bats flying thru walls!!
Kind of bactaria are killed in pasteurization?
pathogenic microbes.Mostly,bacteria with poor heat resistant.
What effect did an injection of live R bacteria mixed with heat killed S bacteria have on the mice?
The mice injected with mixture died
How much bacteria gets killed from steam?
The amount of bacteria killed by steam depends on various factors such as temperature, exposure time, and bacterial species. Steam can be an effective method for killing bacteria as the heat can denature and destroy proteins essential for bacterial survival. However, some heat-resistant bacteria may require higher temperatures or longer exposure times to be effectively killed by steam.
Why did heat kill Griffith's S bacteria?
Heat killed S bacteria in Griffith's experiment was because of the temperature of the heat. The heat was high enough to kill many things like proteins and enzymes, so the bacteria could not create endospores to harm the immune system.
What happened when Griffith injected mice with a mixture of heat-killed pneumonia-causing bacteria and live bacteria of the harmless type?
that it was very gay
What result from Griffiths experiment suggested that the cause of pneumonia wasnt a chemical poison?
To find out, he took a culture of these cells, heated the bacteria to kill them, and injected the heat-killed bacteria into the mice. The Mice survived, suggesting that the cause of pneumonia was not a chemical poison released by the disease-causing bacteria.
Explain how the bacteria in griffith's experiment were transformed?
The harmless living bacteria took in pneumonia-causing DNA(genes) from the heat-killed, pneumonia-causing bacteria, as a result of which the harmless bacteria changed into bacteria that cause pneumonia.
