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Q: How do you freeze the biological sample?
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Is it safe to drink sulphur well water?

You should first take a sample for biological analysis.


What does the high volume aerodynamic particle sizer biological detection equipment sample?

ambient air


How is sperm received in a sperm bank?

You masturbate into a cup, and the technicians label the sample appropriately and freeze it.


Why would a biological sample be taken from an individual?

For a medical purpose, or more commonly for DNA testing to support evidence.


What is a bioanalyzer?

A bioanalyzer is any of various devices used to analyze nucleic acids, proteins or sugars of a biological sample.


What is biological oxygen demand?

It determines the amount of dissolved oxygen that is consumed by aerobic biological microorganisms in water. It is measured by the amount of oxygen that is consumed per liter of sample during 5 days of incubation it is in milligrams.


Which will freeze faster pure water or or a mixture?

Pure water will freeze at a higher temperature than a mixture containing water. Therefore, if a means for extracting energy from a sample of pure water is the same as a means for extracting energy from a sample of a mixture containing water, the pure water will freeze first.


What is flash freezing?

# To freeze (produce, meat, or fish) immediately after harvesting, butchering, or catching. # To freeze (a biological specimen, for example) instantaneously by exposure to an environment of very low temperature. # Source:http://www.answers.com/flash-freezing


Is well water safe for babies?

Only if you've had a sample pass a biological test and know it's clean. Otherwise, do not drink it.


What is a biological oxygen demand?

A biological oxygen demand is another term for a biochemical oxygen demand - the amount of oxygen needed by aerobic microorganisms to decompose all the organic matter in a sample of water - used as a measure of pollution.


Can there be liquid nitrogen?

Yes, liquid nitrogen exists. It is sold in strong, insulated containers and is used to instantly freeze biological specimens or tissue.


What are three typed of chemical weathering?

Chemical(acid in rainwater dissolving limestone), biological (work of animals and plants) and physical (freeze thaw)