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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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