Bozeman Science
Cellular Organelles
Paul Andersen describes the structure and function of the major organelles in a eukaryotic cell. The endoplasmic reticulum, ribosomes, and golgi complex produce and store proteins in the cell. Lysosomes dissolve broken and invasive...
Bozeman Science
Compartmentalization
Paul Andersen explains how eukaryotic cells use compartmentalization to increase the surface area and level of specialization within the cell. Prokaryotic and eukaryotic cells are compared and contrasted. The role of both the mitochodria...
Bozeman Science
Eukarya
Paul Andersen discusses the defining characteristics of the members of Domain Eukarya. He starts with a brief description of the phylogeny of life on earth. He then discusses the major characteristics of eukaryotic cells. He explains how...
Crash Course
Eukaryopolis - The City of Animal Cells: Crash Course Biology
Hank tells us about the city of Eukaryopolis - the animal cell that is responsible for all the cool things that happen in our bodies.
Curated Video
Ribosomes: structure and function
Ribosomes are cell organelles with a peculiar structure and function. In this video, will talk about many things ribosomes, especially their roles in protein production and the differences between the types of ribosomes.
Curated Video
Endoplasmic reticulum: structure and function
The endoplasmic reticulum is one important organelle in the cell responsible for many things including protein folding. In this video, we will cover its structure and function of the rough endoplasmic reticulum and smooth endoplasmic...
Curated Video
Golgi apparatus: structure and function
In this video, we delve into the inner workings of a vital cellular organelle, the golgi apparatus, also know as golgi complex and golgi body. Join us as we unravel the Golgi apparatus's structure, functions, and its pivotal role in...
Rock 'N Learn
Plant and Animal Cells for Kids
What are the differences between plant and animal cells? How are plant and animal cells alike? You might be surprised that there are more similarities than differences. Join Kevin as he transports to the Cellular Learning Center. You...
Curated Video
Cell Material Transport
Cell Material Transport describes the functions of membrane-bound cellular organelles by explaining how each facilitates transport of materials within cells.
Catalyst University
Biosignaling - G-protein-coupled Receptors PLC, DAG, & IP3
Biosignaling - G-protein-coupled Receptors PLC, DAG, & IP3
Catalyst University
Omega Oxidation for Fatty Acids
In this video, we discuss the omega oxidation pathway for medium chain fatty acids and what happens to them afterward.
JJ Medicine
Introduction to Hedgehog Signaling: Hedgehog Protein Synthesis and Release
Lesson on Hedgehog protein synthesis and cellular release. The Hedgehog signaling pathway is important in embryological development of both invertebrates and vertebrates. Hedgehog proteins are synthesized as precursor proteins and...
Catalyst University
The Cardiomyocyte Action Potential [Part 2]: Physiological Events in Cell
In this video, we will explore the physiological events in the cardiomyocyte that occur during the cardiac action potential. What occurs during each phase of the action potential?
Catalyst University
The Mechanism of Insulin Release by Pancreatic β-cells
This video dissects the mechanism by which the Pancreatic β-cells sense blood glucose levels and secrete a proportional amount of insulin through negative feedback.
Catalyst University
Brain-Derived Neurotrophic Factor (BDNF) | Signaling & Mechanism
In this video, we will discuss the signaling mechanism and overall effects of brain-derived neurotrophic factor (BDNF).
JJ Medicine
Inositol Triphosphate (IP3) and Calcium Signaling Pathway | Second Messenger System
Lesson on the Inositol Trisphosphate (IP3) and Calcium Signaling Pathway. IP3, calcium and diacylglycerol (DAG) are important second messengers that are unregulated upon activation of a G protein-coupled receptor. Inositol triphosphate...
JJ Medicine
Bile Acid Synthesis | Classic and Alternative Pathways | Primary and Secondary Bile Acids
Lesson on Bile Acid Synthesis Pathway: Classic and Alternative Pathways, Primary and Secondary Bile Acids and Bile Salts. Bile acids are produced from cholesterol in the liver. Primary bile acids are produced via the classic and...
Catalyst University
LDL-mediated Cholesterol Delivery to Cells
In this video, we explore the mechanism of LDL-mediated cholesterol delivery to peripheral cells.
Schooling Online
Biology Cells as the Basis of Life: Cell Structure - Plant Cells Part 2
Sally’s field trip to the Garden of Babylon is turning into a road trip. Her first stop is the post office. It’s not every day that a stork delivers your mail! This lesson will continue unearthing the structure of plant cells, focusing...
Schooling Online
Biology Cells as the Basis of Life: Cell Structure - Animal Cells Part 3
Seeking excitement, Sally embarks on a self-guided ghost tour of Zoo York’s ‘abandoned tunnels’. Will she spot anything spooky? This lesson will finalise our crash course on the structure of animal cells, focusing on components...
Catalyst University
The Rough Endoplasmic Reticulum and Golgi Apparatus
The Rough Endoplasmic Reticulum and Golgi Apparatus
Catalyst University
Hyperplasia, Sarcoplasmic Hypertrophy, & Myofibrillar Hypertrophy
In this video, we discuss the differences between hyperplasia, sarcoplasmic hypertrophy, and myofibrillar hypertrophy.