In this video, I'll continue to teach you about DNA and RNA (nucleic acid chemistry), starting by showing you how physical traits are transmitted through DNA replication. I will then teach you about transcription (DNA to mRNA) and translation (mRNA to tRNA to peptide/protein), and how these processes are used to form proteins from the information encoded in our DNA. And I'll finish by teaching you about the polymerase chain reaction (PCR). Many thanks to FreeScienceLectures.com for their video on DNA replication (see http://www.youtube.com/watch?v=teV62zrm2P0&feature=rated), as well as to the DNA Learning Center for my use of their Very impressive educational videos. on DNA replication (see http://www.youtube.com/watch?v=4jtmOZaIvS0), transcription (see http://www.youtube.com/watch?v=5MfSYnItYvg) and translation ( see http://www.youtube.com/watch?v=8dsTvBaUMvw). Phew! –Dr. Mike Christiansen of Utah State University.

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