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    Dr. Benjamin Bikman

    Dr. Benjamin Bikman

    Biologist

    In Basics of Biology, a six-hour course, Dr. Benjamin Bikman provides a comprehensive introduction to cellular biology, focusing on the cell as the basic unit of life and exploring essential biological processes. The lectures cover key topics such as cellular transport mechanisms, the structure and function of biomolecules, the flow of genetic information through the central dogma, cell division processes, and cellular metabolism. By integrating molecular and cellular biology concepts, the course explains how cells maintain homeostasis and function as the foundation of life, while highlighting their practical applications in human health, disease, and life on Earth.

    Lectures

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      1. The Cell: Life’s Basic Unit

      In our introductory lecture, Dr. Benjamin Bikman delves into the fundamentals of biology, focusing on the cell as the basic unit of life and its essential characteristics. He outlines seven criteria that define living organisms, explores the principles of cell theory, and examines the structural components of cells, highlighting the differences between prokaryotic and eukaryotic cells. Additionally, the lecture covers the various organelles within eukaryotic cells, their functions, and the critical role of the cell membrane in regulating the movement of molecules in and out of the cell.

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      2. Crossing the Cell Wall

      In lecture two, we explore the vital concepts of cellular transport mechanisms, including diffusion and osmosis, and their roles in maintaining cellular homeostasis. The lecture examines various transport systems across cell membranes, from membrane-based structures like channels and transporters to vesicle-mediated transport methods such as endocytosis and exocytosis. The discussion concludes with detailed examples of transport mechanisms in action, including glucose transport in intestinal cells and the clinical applications of transport inhibitors in diabetes treatment.

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      3. Biomolecules as Building Blocks

      In lecture three, Dr. Bikman describes the four major biomolecules essential for cellular function: carbohydrates, lipids, proteins, and nucleic acids. Dr. Bikman also delves into the structure and function of enzymes, explaining how these protein catalysts facilitate crucial cellular reactions, and explores their specificity in biological processes. Finally, we are introduced to the central dogma of molecular biology, detailing the flow of genetic information through DNA and RNA, which defines our unique biological identities.

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