Muscle cells contain most of the structures common to all cells. ... Evolution has not changed the actin genes much such that actin from different species is found to be often interchangeable. ... This blueprint is a gene is the cell's nucleus and the process by which the information gets out of the nucleus into the cytoplasm, where the protein will be made starts with transcription. ... For the first time, scientists have seen what it takes to move the long stretches of DNA through the enzyme factories that translate the genetics into made of RNA: a muscle inside the nucleus of the c...

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