what are favorable conditions for the growth of most bacteria?
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Bacteria can live in hotter and colder temperatures than humans, but they do best in a warm, moist, protein-rich environment that is pH neutral or low acid. There are exceptions: some bacteria thrive in extreme heat or cold. some can survive under highly acidic or extremely salty conditions.
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Many fungi grow well at temperatures between 60 and 80 degrees Fahrenheit, which are also ideal temperatures for human comfort. In addition, as mentioned above, temperature gradients often produce the moisture needed for mold growth.
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Bacteria can't shrink more than they have already because there wouldn't be enough space left for DNA and necessary proteins. They can't get much bigger, because larger species have much greater energy demands in proportion to their increased girth.
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The optimum temperature range is 135° -160° Fahrenheit. Since few thermophilic organisms actively carry on decomposition above 160° F, it is undesirable to have temperatures above this for extended periods.
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The physical and chemical requirements for growth can vary widely among different species of bacteria, and some are found in environments as extreme as cold polar regions and hot, acid springs. In general, the physical requirements for bacteria include proper temperature, pH and osmotic pressure.
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Bacteria help protect the cells in your intestines from invading pathogens and also promote repair of damaged tissue. Most importantly, by having good bacteria in your body, bad bacteria don't get a chance to grow and cause disease.
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Bacteria Growth Prevention Bacteria thrive in warm environments, so hospitals combat this with cold temperatures, which help slow bacterial and viral growth. This is no different than food safety practices in the food industry that rely on refrigeration to keep food from growing harmful bacteria.
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['Moisture – Bacteria need moisture in order to grow. ... ', 'Food – Food provides energy and nutrients for bacteria to grow.']
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Most pathogens grow rapidly at temperatures above 40°F. The ideal temperature for bacterial growth is between 40 and 140°F - what FSIS calls the "Danger Zone." Some bacteria can double their numbers every 20 minutes at temperatures above 40°F.
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The ideal temperature to grow is around 70° F (68 to 72) although many growers are able to grow a nice product at higher temperatures. Keep the growing medium moist until harvest.
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Temperatures higher than the maximum growth temperature cause irreversible denaturation of enzymes and therefore cell death. ... mesophiles: include most bacteria, optimum growth temperature is 20 - 45°C. Many pathogens are mesophiles as their preferred temperature is body temperature (37ºC).
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Temperature matters Nail the sweet spot — warm enough to rise at a decent rate, yet cool enough to develop flavor — and you're golden. Studies have shown that the optimum temperature for yeast to grow and flavor to develop is 75°F to 78°F.
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Bacteria. The vast majority of bacteria, which can range between 0.15 and 700 μM in length, are harmless or beneficial to humans. However, a relatively small list of pathogenic bacteria can cause infectious diseases.
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Lack of carbon has been assumed to be the most common limiting factor for bacterial growth in soil, although there are reports of limitation by other nutrients, e.g. nitrogen and phosphorus.
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The range of temperature from 4°C and 60°C (40°F and 140°F) is known as the danger zone , or the range at which most pathogenic bacteria will grow and multiply.
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One of the most well known types of good bacteria are probiotics. Actually, most bacteria are “good.” Comparatively speaking, there are only a handful of “bad” bacteria out there. Of the total bacteria in our bodies, a healthy balance is 85% good bacteria and 15% bad bacteria.
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Like all living things, bacteria need food, water and the proper environment to live and grow. ... By controlling nutrients, water, temperature and time, air, acidity, and salt, you can eliminate, control, or reduce the rate at which bacteria grow.