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Watch Atoms Alive online: Episode 4 DNA: Code and Expression

Reveals the genetic code and how DNA expresses itself in the chemistry of life. · Covers how DNA codes for proteins and how it expresses the code. · DNA is extracted in the laboratory. · DNA codes for proteins. · Refresher on proteins and their roles. · DNA is a triplet code for proteins. · Transcription of DNA to mRNA. · Translation of mRNA via tRNA to polypeptides - all animated. · The universal genetic code and a brief demonstration of how we can read the code in the laboratory.

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