Last Minute Lecture

The Cytoskeleton — Microtubules, Microfilaments, Intermediate Filaments, and Motor Proteins Explained | Chapter 10 of Karp’s Cell and Molecular Biology Chapter 10 of Karp’s Cell and Molecular Biology: Concepts and Experiments explores the cytoskeleton, a dynamic and structurally complex network that provides cells with shape, mechanical support, mobility, and the ability to organize internal components. Composed of microtubules, microfilaments, and intermediate filaments, the cytoskeleton functions as both the architectural framework and the transportation infrastructure of the eukaryotic cell. This expanded summary complements the YouTube breakdown and offers a clear, in-depth explanation of how cytoskeletal elements work together to maintain cellular life. To follow along visually and reinforce these key concepts, make sure to watch the chapter summary above. If you're working through the Karp textbook, subscribing to Last Minute Lecture provides structured support for eve...

A Tour of the Cell — Prokaryotic vs. Eukaryotic Cells, Organelles, and Cell Structure Explained Welcome to Last Minute Lecture! In this post, we take you through the intricate world of the cell, the fundamental unit of life, as detailed in Chapter 6 of Campbell Biology . Discover how cells are studied, the differences between prokaryotic and eukaryotic cells, and the functions of key organelles that keep cells—and life—running smoothly. Watch the full video summary below and subscribe for more clear science breakdowns! Introduction: The Cell as Life’s Building Block Cells are the smallest units that can carry out all life’s functions. Chapter 6 of Campbell Biology explains how scientists use light and electron microscopy to study cells and how cell fractionation helps reveal the structures and functions of cell components. Understanding cell structure is foundational to all of biology. Studying Cells: Microscopy and Cell Fractionation Light Microscopy (LM): Uses vis...