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Basic Principles of Transcription and Translation - Computer ...

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While gene expression differs among the<br />

domains <strong>of</strong> life, the concept <strong>of</strong> a gene is<br />

universal<br />

Archaea are prokaryotes, but share many features <strong>of</strong> gene<br />

expression with eukaryotes<br />

Comparing Gene Expression in Bacteria,<br />

Archaea, <strong>and</strong> Eukarya<br />

Bacteria <strong>and</strong> eukarya differ in their RNA polymerases,<br />

termination <strong>of</strong> transcription <strong>and</strong> ribosomes; archaea tend to<br />

resemble eukarya in these respects<br />

Bacteria can simultaneously transcribe <strong>and</strong> translate the same<br />

gene<br />

In eukarya, transcription <strong>and</strong> translation are separated by the<br />

nuclear envelope. In addition extensive RNA processing<br />

occurs in the nucleus<br />

In archaea, transcription <strong>and</strong> translation are likely coupled

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