0
Add your answer:
Earn +20 pts
Bacterial spores die at what temperature?
Bacterial spores are highly resistant to heat and can survive at temperatures as high as 250°F (121°C). However, the spores can be killed by prolonged exposure to temperatures above 250°F.
Which scientist discovered heat resistant bacterial spores?
Ferdinand Cohn, a German biologist, is credited with the discovery of heat-resistant bacterial spores in the late 19th century. He identified these spores as being able to survive high temperatures and coined the term "endospore" to describe them.
Do some bacteria surround themselves with a tough resistant wall and become spores that can survive dryness and low temperatures but die in boiling water?
Yes, some bacteria can form spores when conditions are unfavorable for growth, such as dryness or low temperatures. These spores have a tough resistant wall that protects them from harsh conditions but they can be killed by boiling water due to the high temperature denaturing their essential proteins and enzymes.
Resistant cell that can survive harsh conditions?
A spore-forming bacteria, such as Bacillus anthracis or Clostridium botulinum, can survive harsh conditions due to their ability to form dormant, resistant spores. These spores are highly resilient and can withstand extreme temperatures, radiation, and desiccation. Additionally, certain extremophiles, such as Thermus aquaticus or Deinococcus radiodurans, have developed mechanisms to resist extreme environments like high temperatures, acidity, or radiation.
Can spores survive high temperature?
It depends on the temperature, but at high oven temperature some do, but the majority are killed.
Can I adjust the Microwave from low to high cooking temperatures?
Yes you can adjust the cooking temperature that this microwave will use.
Can dry heat kill spores?
Yes, dry heat can kill spores at high temperatures over a period of time. Spores are more resistant to heat compared to other forms of microorganisms, so longer exposure to high heat is required for effective sterilization.
What temperatures can a amazon parrot survive?
high as 90 degrees Fahrenheit
Why is it that most animals can not survive when they are exposed to high temperatures?
They dry out and not have enough water.
Can spores be killed when exposed to steam sterilization and high temperature?
Yes, spores can be effectively killed when exposed to steam sterilization at high temperatures, typically around 121-132°C (250-270°F). The high temperature and pressure of steam sterilization are able to denature and destroy the spores' genetic material and proteins, rendering them nonviable.
Is high temperature recommended for a cookery true or false?
High temperatures are recommended for cooking. It can all depend on what you are planning to cook.
Spores?
DefinitionA spore is a reproductive cell produced by certain fungi, plants (moss, ferns), and some bacteria. Often, the spore fully develops after a state of dormancy or hibernation.Certain bacteria produce spores as a defensive mechanism. Bacterial spores have thick walls and are very resistant to high temperatures, humidity, and other unfavorable conditions. The bacteria Clostridia form spores that cause gas gangrene and antibiotic-associated colitis.InformationChemical disinfection kills bacteria, but does not destroy their spores. Sterilization destroys spores as well as bacteria, and requires high temperatures and high pressures. In health-care settings, sterilization is usually accomplished using a device called an autoclave.
