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Viable bacteria are those that are alive and capable of reproduction, meaning they can grow and multiply under suitable conditions. Non-viable bacteria, on the other hand, are dead or inactive and cannot reproduce or carry out metabolic processes. The distinction is important in fields like microbiology and medicine, as viable bacteria can contribute to infections or fermentation processes, while non-viable bacteria may still be present in samples but do not pose a biological threat.
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What is the definition of viable particle?
A viable particle is a microorganism capable of growth and reproduction under suitable conditions. In the context of environmental monitoring or microbiology, viable particles are those that are alive and able to multiply, as opposed to non-viable particles which are dead or incapable of replication. Detection and quantification of viable particles are important in assessing the potential risks associated with microbial contamination.
In what form bacteria present in air?
Bacteria present in the air primarily exist as aerosolized particles, which can be suspended in the atmosphere as droplets or dust. These airborne bacteria can originate from various sources, including soil, water, plants, animals, and human activities. They may be viable or non-viable, with some capable of surviving in harsh environmental conditions. Airborne bacteria play a role in ecosystems and can also influence human health, particularly when inhaled.
What does inactivated bacteria mean?
Inactivated bacteria refers to bacteria that have been rendered non-viable or unable to replicate. This can be achieved through physical or chemical methods that destroy the bacteria's ability to grow and cause infection while still leaving their structure intact for use in various applications like vaccines or research.
What is total viable count of bacteria?
Total viable count is a method used to estimate the total number of viable bacteria in a sample. This is typically done by plating a diluted sample onto an agar plate and counting the number of colonies that grow. It provides an estimate of the total number of bacteria that are able to grow and reproduce under the specific conditions used in the assay.
What are non-photosynthetic?
Any bacteria, there are no photosynthetic bacteria.
What is griffith trying to accomplish by injecting mice with pneumonia causing bacteria?
Griffith was trying to show the transformation of DNA in his experiment where DNA was transfered enabling the viable cell of bacteria to non- viable.
Can non viable sperm get viable?
Yes
Why is turbidity not an accuarte measure of viable bacteria in a culture?
Turbidity measures the cloudiness of a culture, which can be influenced by various factors besides viable bacteria, such as debris or particles in the solution. Viable bacteria may also form clusters or biofilms, which can affect turbidity readings. To accurately measure viable bacteria, other methods such as colony counting or molecular techniques are more appropriate.
What is the definition of viable particle?
A viable particle is a microorganism capable of growth and reproduction under suitable conditions. In the context of environmental monitoring or microbiology, viable particles are those that are alive and able to multiply, as opposed to non-viable particles which are dead or incapable of replication. Detection and quantification of viable particles are important in assessing the potential risks associated with microbial contamination.
In what form bacteria present in air?
Bacteria present in the air primarily exist as aerosolized particles, which can be suspended in the atmosphere as droplets or dust. These airborne bacteria can originate from various sources, including soil, water, plants, animals, and human activities. They may be viable or non-viable, with some capable of surviving in harsh environmental conditions. Airborne bacteria play a role in ecosystems and can also influence human health, particularly when inhaled.
What does inactivated bacteria mean?
Inactivated bacteria refers to bacteria that have been rendered non-viable or unable to replicate. This can be achieved through physical or chemical methods that destroy the bacteria's ability to grow and cause infection while still leaving their structure intact for use in various applications like vaccines or research.
What does non viable sperm mean?
Viable sperm is sperm that is capable of fertilizing an egg and resulting in, when combined with a viable egg, offspring. Hope this helps!
What is longest time it takes for any bacteria to reproduce?
bacteria has been found viable after three thousand years dormancy. .
What is total viable count of bacteria?
Total viable count is a method used to estimate the total number of viable bacteria in a sample. This is typically done by plating a diluted sample onto an agar plate and counting the number of colonies that grow. It provides an estimate of the total number of bacteria that are able to grow and reproduce under the specific conditions used in the assay.
Is shigella non motile bacteria?
Shigella is a non-motile, non-sporing, non-capsulated bacteria. It causes bacillary dysentery.
Does the number of bacteria recorded by the standard plate count method accurately reflect the total bacterial count from the sample?
No. The standard plate count method is an indirect measurement of cell density of only viable bacterial cells. Optical density counting measure entire bacterial sample, the living as well as the dead bacterial cells.
What is the function of endospore in a cell?
Endospores are a dormant, tough, and non-reproductive structure formed by some bacteria as a survival mechanism in response to harsh environmental conditions. They help the bacteria to withstand extreme conditions such as high temperatures, desiccation, and exposure to chemicals or radiation. This allows the bacteria to remain viable for long periods until conditions improve.
