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. They are so hard to kill because of their structure. They have a unique cellular structure. They have a hard outer coat surrounding the spore. This makes it hard for disinfectants to penetrate. There is a very thick layer beneath the coat call the cortex. This gives it resistance to heat. There is a germ cell wall under the cortex.Under the germ cell is the inner membrane and it is a permeability barrier against many potentially damaging chemicals.
What else can I help you with?
Why are microbial forms are the most resistant to disinfectants?
ssa
Why are resistant spores useful to bacteria?
Resistant spores are a survival mechanism for bacteria in harsh conditions. They protect the bacteria's genetic material from damage and allow them to remain dormant until conditions improve. This increases the chances of the bacteria's survival and enables them to re-establish themselves when conditions become favorable again.
What is the advantage of resistant spores?
Resistant spores allow certain organisms, like bacteria and fungi, to survive harsh conditions such as extreme temperatures, chemicals, and lack of nutrients. This resilience ensures their long-term survival and ability to repopulate when conditions become more favorable. Additionally, resistant spores can aid in the dispersal of these organisms over long distances.
What happens to spores during the frozen storage?
Spores can survive frozen storage as they are highly resistant to cold temperatures. Freezing can result in a state of dormancy for the spores until they are exposed to more favorable conditions that allow for germination and growth.
Tyndallization is the process of repeated boiling and cooling to destroy spores?
Tyndallization involves intermittent boiling of a substance to eliminate heat-resistant bacterial spores. By allowing spores to germinate before the next boiling cycle, it helps to ensure that all spores are eventually destroyed over several cycles.
Which microbial forms are most resistant to disinfectants?
Spores, such as those produced by Clostridium and Bacillus species, are the most resistant microbial forms to disinfectants. Spores have a protective outer layer that makes them highly resistant to harsh environmental conditions, including disinfection processes.
Why are microbial forms are the most resistant to disinfectants?
ssa
What is the most resistant form of bacterial life?
spores
What is the advantage or disadvantage of capsules to a bacterium?
Encapsulated bacterial cells are very resistant and least affected by chemicals, dessication and the action of phagocytes.
Endospore-formers?
resting or dormant type of cell that is highly resistant to environmental extremes (heat, dessication, oxygen, radiation, disinfectants).
What is true about spores?
heat resistant, and will germinate when conditions are favorable
What do viruses do when they enter the body's cells?
create resistant spores
Is bacterial spores the most resistant life form?
The most resistant organism in the healthcare environment is the bacterial spor
Why are resistant spores useful to bacteria?
Resistant spores are a survival mechanism for bacteria in harsh conditions. They protect the bacteria's genetic material from damage and allow them to remain dormant until conditions improve. This increases the chances of the bacteria's survival and enables them to re-establish themselves when conditions become favorable again.
What is dessication?
Dessication is when a cell dries out. Think of it as dehydration.
What is the formsome bacteria take too keep from dying when they do not have enough food?
Some bacteria, like many Bacilllus species, form endospores when they run out of food. Endospores are resistant to heat, dessication, weak acid, etc.
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.
