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in RNA extraction we don't need to use a strong lysis solution to the cells like in DNA extraction

since we don't need to break the nuclear envelope in case of RNA*.

*Be cautious, in some case (ex. hnRNA) the RNA is in the nucleus so you have to break it. Really depend on what you are looking for.

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11y ago
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15y ago

To study genomic makeup, variations or gene expression, DNA and RNA from cells have to be isolated before any more tests can be conducted. Reasons for isolating genomic DNA include genome sequencing and comparative genomic hybridization (a method for determining gene copy number changes in abnormal cells). Isolating plasmid DNA from bacteria is essential to the processes of bacterial transformation and molecular cloning. Isolating total RNA from a cell is usually used to make cDNA for other uses (such as insertion into an expression vector or microarray analysis) or used for gene-expression studies such as real-time PCR.

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Q: What is the difference between isolation of DNA or RNA with DNA or RNA extraction?
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