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If those genes are on a plasmid they can be

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If those genes are on a plasmid, they can be transferred between bacteria by conjugation and other forms of horizontal gene transfer. If a bacterium carries several resistance genes, it is called multidrug resistant (MDR) or, informally, a superbug or super bacterium. Any use of antibiotics can increase selective pressure in a population of bacteria to allow the resistant bacteria to thrive and the susceptible bacteria to die off. Image: Staphylococcus aureus on antibiotic test plate , PHIL #2641 From the Virtual Cell Biology Classroom on ScienceProfOnline.com
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Confused? Here are links to fun resources that further explain genetic replication: Molecular Genetics: Replication Main Page on the Virtual Cell Biology Classroom of Science Prof Online . “That Spells DNA” song by Jonathan Coulton. DNA Structure Cell Biology Animation from John Kyrk. Build a DNA Molecule from University of Utah . DNA Replication animation and review questions. Bio Rad GTCA Song ” musical advertisement for SsoFast™. DNA Replication Process animated video by FreeScienceLectures.com. DNA Replication step-through animation by John Kyrk. “She Blinded Me With Science” music video Thomas Dolby. (You must be in PPT slideshow view to click on links.) From the Virtual Cell Biology Classroom on ScienceProfOnline.com
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In-class Assignment At the end of most lectures, I will give you some type of in-class assignment or homework to evaluate your understanding of today’s topic. This assignment will always be open-book. Today you will be completing an essay question on the topic of DNA Replication. See the ScienceProfOnline Virtual Cell Molecular Genetics Replication Lecture for a printable Word .doc of this assignment. Image: DNA Detail Diagram: Madprime From the Virtual Cell Biology Classroom on ScienceProfOnline.com
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Are you feeling blinded by science ? Do yourself a favor. Use the… Virtual Cell Biology Classroom ( VCBC ) ! The VCBC is full of resources to help you succeed, including: practice test questions review questions study guides and learning objectives PowerPoints on other topics You can access the Virtual Cell Biology Classroom by going to the Science Prof Online website www.ScienceProfOnline.com Images: Blinded With Science album, Thomas Dolby; Endomembrane system , Mariana Ruiz, Wiki
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