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It helps scientist see the disease better so that they can diagnose it
PCR itself cannot be used to diagnose a disease; it is only useful for amplifying a DNA sample. Molecular analysis can only be done with subsequent techniques, such as electrophoresis and DNA sequencing.
explain how bacteria could be useful instead of hazardous.
radioisotope are very useful today. You can diagnose many things with them.
This is a very complicated thing to explain and in fear that I might leave something out or not thoroughly explain it I researched it for you...This is a very useful website. Hope this helps! http://www.webmd.com/content/article/4/1680_51841
Explain how genetic engineering can be useful in the treatment of human illnesses such as diabetes?
explain how bacteria could be useful instead of hazardous.
explain how biogas can be specially useful in developing countries
energy
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in hiking and bike racing
A roller coaster