Do Now 3/11 What is a chain reaction?. Key Ideas from Last Night’s Homework Transformation: prokaryotes acquire DNA from the environment. Transduction:

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Presentation transcript:

Do Now 3/11 What is a chain reaction?

Key Ideas from Last Night’s Homework Transformation: prokaryotes acquire DNA from the environment. Transduction: phages transfer DNA between prokaryotes Conjugation: prokaryotic cells exchange genetic material. Plasmid: tiny bonus chromosome in some prokaryotic cells

PCR: Polymerase Chain Reaction WHAT IT IS: A way to make a large number (billions) of copies of a DNA sequence in a few hours. WHY IT MATTERS: provides enough DNA to do research with. WHEN: Totally revolutionized biology.

How it Works

Virtual PCR cr/ cr/ Youtubes…

One last note… Thermus aquaticus The ability to perform PCR is predicated on a thermostable DNA polymerase that functions at a high temperature. Taq is a prokaryote from hot springs. Biotech = prokaryotes!!!

Your Assignments Reading on syllabus ADD: PCR questions on back of diagram.