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The control group outs the one that you don't change. The reason you don't change it is because you use it as a comparison with the other groups.
I believe st marks because there<span> are no deltas or rivers that would intercept it.</span>
Answer
Most of these techniques, including microarray analysis and reverse transcription polymerase chain reaction (RT-PCR), work by measuring mRNA levels. However, researchers can also analyze gene expression by directly measuring protein levels with a technique known as a Western blot.
