describe two practical applicatons for being able to extract DNA from cells
Since this is not my area of expertise, I searched Google under the key words "DNA extraction use" to get these possible sources:
http://en.wikipedia.org/wiki/DNA_extraction
http://www.accessexcellence.org/AE/AEC/CC/DNA_extractions.html
http://www.courttv.com/onair/shows/forensicfiles/techniques/dna.html
http://invam.caf.wvu.edu/methods/spores/DNAextract.htm
Substituting "application" for "use," I found:
http://www.ingentaconnect.com/content/bsc/emi/2003/00000005/00000007/art00007
http://72.14.253.104/search?q=cache:bHG1S6LBKD8J:www.pressurebiosciences.com/app_notes/AN-10003.v1.pdf+DNA+extraction+application&hl=en&ct=clnk&cd=6&gl=us&client=safari
http://www.pathtech.com.au/files/0C1J0Y7O949R2U9G0O6V481G4M01/AutomatedDNAextraction.pdf
http://www.decode.com/genotyping/PDF's/DNA%20extraction%20and%20WGA%20WEB.pdf
In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search.
I hope this helps. Thanks for asking.
There are many practical applications for being able to extract DNA from cells. Here are two examples:
1. Forensic Science: DNA extraction is a crucial step in forensic science. By extracting DNA samples from crime scenes, investigators can analyze the genetic material to identify potential suspects or victims. This has revolutionized criminal investigations, allowing for more accurate identification of individuals involved in crimes.
To extract DNA in a forensic setting, technicians typically follow a specific protocol that involves collecting samples from various sources such as hair, blood, saliva, or tissue. The extracted DNA is then analyzed using techniques like polymerase chain reaction (PCR) or DNA profiling to create a DNA profile for comparison against a database of known profiles.
2. Genetic Research: DNA extraction is a fundamental process in genetic research. By extracting DNA from cells, scientists can study genetic variation, gene function, and genetic disorders. This information can lead to important insights into health, disease susceptibility, and personalized medicine.
In genetic research, DNA extraction methods may vary depending on the specific objectives of the study. Common techniques involve breaking the cells open to release the DNA, purifying the DNA from other cellular components, and quantifying the extracted DNA for further analysis.
Overall, the ability to extract DNA from cells is essential in various fields such as forensics, genetics, and molecular biology. It allows scientists and professionals to unlock the genetic information stored within cells, leading to advancements in healthcare, criminal justice, and scientific understanding.