In order to repair damage to one of the two paired molecules of DNA, there exist a number of excision repair mechanisms that remove the damaged nucleotide and replace it with an undamaged nucleotide complementary to that found in the undamaged DNA strand.
Depending on the type of Quicken program used and the document(s) created, Quicken files can have one of several different extension types. The most common Quicken file extensions are the following: .qdf, .qsd, .qel, .qph.ata files in Quicken end with the file extension .QDF, and this is another way to search for your Quicken data files....
Some examples of file extensions include .txt, .mp3, .jpg, and .gz, which represent text files, mp3 files, jpeg image files, and files compressed with the gzip program. As you can see, the actual extension name gives clues as to the type of file it is. When trying to determine a file's extension it is important to remember that the extension is simply the last period in a file and the characters that follow it. If there is no period in a file, then it does not have an extension.