Amoeba Sisters
Stroll Through the Playlist (a Biology Review)
Join the Amoeba Sisters as they take a brisk "stroll" through their biology playlist! This review video can refresh your memory of major concepts, help you identify what you need to re-study, and reinforce vocab. Expand these details for...
Amoeba Sisters
Cell Transport
Explore the types of passive and active cell transport with the Amoeba Sisters! Table of Contents: Intro 00:00 Importance of Cell Membrane for Homeostasis 0:41 Cell Membrane Structure 1:07 Simple Diffusion 1:45 What does it mean to "go...
Amoeba Sisters
Sodium Potassium Pump
Explore the sodium potassium pump (Na+/K+ pump), with the Amoeba Sisters! This video talks about why this pump is needed and provides an overview of this type of active transport. Table of Contents: 00:00 Intro 0:48 Introducing the...
MinuteEarth
The Plant That’s Full Of Metal
The amount of metal some special plants are able to take up from the soil would be toxic enough to an average plant to kill it several times over.
Crash Course
Urinary System, part 1: Crash Course A&P
Even though you probably don't choose to spend a lot of time thinking about it, your pee is kind of a big deal. Today we're talking about the anatomy of your urinary system, and how your kidneys filter metabolic waste and balance salt...
Bozeman Science
Transport Across Cell Membranes
Paul Andersen describes how cells move materials across the cell membrane. All movement can be classified as passive or active. Passive transport, like diffusion, requires no energy as particles move along their gradient. Active...
Crash Course
In Da Club - Membranes & Transport: Crash Course Biology
Hank describes how cells regulate their contents and communicate with one another via mechanisms within the cell membrane.
Bozeman Science
ATP: Adenosine Triphosphate
Paul Andersen explains the structure, function and importance of adenosine triphosphate (ATP). He begins by describing the specific structure of the molecule and its three main parts: adenine, ribose sugar, and phosphate groups. He...
Curated Video
Fluid mosaic model of the cell membrane
The plasma membrane is a complex structure made up of macromolecules that come together to form a fluid mosaic. In this video, we will look at the structure, properties and functions of the fluid mosaic model.
Curated Video
Plasma membrane: the security guard of the cell
The plasma membrane or cell membrane is an intricate structure made of macromolecules that work together to protect the cell. Think of it as the security guard of the cell - letting important substances in, and letting others out.
Curated Video
Active transport
The use of energy to move particles across a cell membrane from a lower concentration to a higher concentration. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
The Cell Membrane
Journey inside the cell to see how the cell membrane acts as both a barrier and an entrance. How does it take in nutrients while keeping out potentially damaging molecules? Biology - Cells And DNA - Learning Points. The cell membrane...
Curated Video
Xilema y Floema - Transporte en Plantas
Las plantas tienen un sistema de transporte para mover sustancias. El xilema transporta agua y solutos desde las raíces hasta las hojas mediante la transpiración, mientras que el floema lleva glucosa y aminoácidos desde las hojas a toda...
Curated Video
Transporte en las Células: Difusión y Ósmosis
Este video explica cómo las células absorben sustancias útiles y eliminan desechos mediante difusión, ósmosis y transporte activo. Estos procesos ocurren a través de la membrana celular y permiten el intercambio de materiales entre las...
Curated Video
What is Diffusion? How Does it Work? What Factors Affect it? #7
This video covers - What diffusion is - How it works - How it applies to cell membranes - The 3 factors that affect the rate of diffusion (concentration gradient, temperature, surface area) Exam board specific info: KS3 All relevant to...
Curated Video
GCSE Biology - Active Transport #9
This lesson covers: - What active transport it - How it's different to diffusion - How root hair cells are adapted to absorb mineral ions Exam board specific info: AQA - Suitable for everyone IGCSE Edexcel - Suitable for everyone Edexcel...
The Noted Anatomist
Membrane transport
This brief video tutorial briefly discusses cell membrane transport: 0:00. Introduction 0:15. Permeability of cell membrane 2:57. Diffusion - 3:08. Simple diffusion - 3:37. Facilitated diffusion (ion leak channels, voltage gated...
Curated Video
The Structure of the Urinary System and Nephrons Explained
This video discusses the structure of the urinary system, providing an overview of the organs involved in removing waste products and excess substances from the body. The video explains the functions of the renal arteries and veins,...
Curated Video
Cell Specialization and Differentiation in Plants and Animals
This video explains the concept of cell specialization and differentiation. The narrator discusses how cells differentiate to become specialized for their unique functions within an organism. The differences in differentiation between...
Curated Video
Transport System in Plants: Transpiration and Translocation
This is an educational video that explains the concepts of transpiration and translocation in plants, while also exploring the transport system in plants. The video takes a closer look at the different features of plants, including root...
Curated Video
Active Transport: Moving Substances Against Concentration Gradient
This video explains the concept of active transport, which is the movement of substances from a more diluted concentration to a more concentrated concentration against a concentration gradient. The video provides examples of active...
Catalyst University
The Loop Of Henle [Part 1] | Countercurrent Multiplication
In this video, we will discuss the absorptive properties of the Loop of Henle's ascending and descending limbs and how the Loop of Henle's set-up drives countercurrent multiplication.
JJ Medicine
Ran GTPase Cycle and Nuclear Transport | Importins and Exportins
Lesson on the Ran GTPase Cycle and the mechanism of Nuclear Transport involving importins and exportins. The Ran GTPase cycle is critically important for nuclear transportation of transcription factors and other proteins into and out of...