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why are resistant spores useful to bacteris
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What is bacterial spore?
Bacterial spores are resistant and dormant structures formed in certain Bacteria and are ment for survival . They are of 2 types endospore and exospores .
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?
TRUE
Do bacteria reproduce through spores?
Endosposres are intracellular resting cells. With a few exceptions endospore formation is restricted to some large gram positive bacilli. Among cocci and spirila endospores are formed only in few species e.g. Sarcina lutea, S. ureae, Dusulfovibrio desulfuricans. Gramd negative do not form spores or endospores.
Why do bacteria that form spores present a greater health risk than those that don't form spores?
Spore forming bacteria are resistant to heat, cold etc. They r not killed when subjected to high temp. So when they get suitable conditns they start growing nd effect the host or the place where they r present...
Highly resistant forms of bacterial cells?
Spores are highly resistant forms of bacterial cells.
What special defenses do spores and capsules have?
Bacteria can form capsules and spores. A capsule is a protective layer around some bacteria. They can be virulent as they can resist the body's defence mechanism. Bacteria can change into bacterial spores when the environmental conditions are unfavourable. In this condition bacteria are inactive. When the environmental conditions become more suitable the bacteria can become active and cause disease. Bacterial spores are extremely resistant and can survive most forms of disinfection and inadequate sterilisation
What is the medical significance of Bacterial spores?
Bacterial spores are far more resistant to disinfectants than non-spore forming bacteria. As a result, bacterial spores are more virulent and therefore more capable of causing disease since they can survive most methods that kill 'normal' bacteria...
What is bacterial spore?
Bacterial spores are resistant and dormant structures formed in certain Bacteria and are ment for survival . They are of 2 types endospore and exospores .
are Antibiotics are useful for limiting the growth of most pathogenic bacteria?
no, many bacteria have become resistant due to improper use of antibiotics.
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?
TRUE
Do bacteria reproduce through spores?
Endosposres are intracellular resting cells. With a few exceptions endospore formation is restricted to some large gram positive bacilli. Among cocci and spirila endospores are formed only in few species e.g. Sarcina lutea, S. ureae, Dusulfovibrio desulfuricans. Gramd negative do not form spores or endospores.
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.
Why do bacteria that form spores present a greater health risk than those that don't form spores?
Spore forming bacteria are resistant to heat, cold etc. They r not killed when subjected to high temp. So when they get suitable conditns they start growing nd effect the host or the place where they r present...
What is the most resistant form of bacterial life?
spores
Highly resistant forms of bacterial cells?
Spores are highly resistant forms of bacterial cells.
What is the most resistant form of life?
Granites are one of the most weather resistant rocks.
What are non - sporing bacteria?
Bacteria that do not produce spores.
