← ch 20, 21 part 8 Export Options Alphabetize Word-Def Delimiter Tab Comma Custom Def-Word Delimiter New Line Semicolon Custom Data Copy and paste the text below. It is read-only. Select All proteomics the study of when and where proteins are produced in organism and how they interact in networks pseudogenes former genes that have accumulated mutations over a long time and have become nonfunctional transposable elements stretches of DNA that can move from one location to another within a genome transposons transposable element that moved by cut and paste mechanism leaving element from original site or leaves a copy behind retrotransposons move by RNA intermediate that is a transcript of retrotransposon DNA, leaves a copy at original site reverse transcriptase-polymerase chain reaction (RT-PCR) method for comparing gene expression