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Introductory Science Module 3 – Biological Levels of Organization

{opening music} Hello, I’m Cammie Emory from the division of Science, Nursing, and Allied Health at Bossier Parish Community College. What we’re gonna talk about today, in this session of open campus, is the biological levels organization. So you’ve started learning a new language, medical terminology, to be specific, you’ve learned some new words, you’re […]

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Practical Importance of Human Evolution – Population Genetics & Phylogenetics – Race & Evolution

>>Cecil Lewis: Given the overall pattern of human genetic diversity, what does this tell us about biological concepts of race? Now race is an ambiguous, often culturally burdensome term. If we are to talk about the concept of race, we need to be clear exactly what we mean by that. One fair genetic definition of […]

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General Chemistry – Molecular Structure & Bonding – Molecular Geometry

In this video we’re gonna look at molecular geometry. We’re gonna use VSEPR model to predict molecular geometry. VSEPR model is valence shell electric pair repulsion model. VSEPR is based on the premise that the regions of negative charge around an electron adopt positions that minimize the repulsion between them. It’s important to realize that […]

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