Sumanas
Sumanas Inc: Discover Biology: Vesicle Budding and Fusing
Tutorial with animated illustrations showing how vesicles work to transport materials inside a cell and release them through the cell's membrane to the outside.
Sophia Learning
Sophia: Diffusion: Lesson 2
This lesson explains the process of diffusion. It explains how diffusion is a passive form of transport, used to move molecules down their concentration gradient. It is 2 of 8 in the series titled "Diffusion."
Sophia Learning
Sophia: Diffusion: Lesson 4
This lesson explains the process of diffusion. It explains how diffusion is a passive form of transport, used to move molecules down their concentration gradient. It is 4 of 8 in the series titled "Diffusion."
Sophia Learning
Sophia: Osmosis: Lesson 2
This lesson explains the process of osmosis. It explains how osmosis is a passive form of transport, used to move water molecules across a semi-permeable membrane, down their concentration gradient. It is 2 of 8 in the series titled...
Sophia Learning
Sophia: Osmosis: Lesson 1
This lesson explains the process of osmosis. It explains how osmosis is a passive form of transport, used to move water molecules across a semi-permeable membrane, down their concentration gradient. It is 1 of 8 in the series titled...
Sophia Learning
Sophia: Passive Transport: Lesson 3
This lesson introduces the process of passive transport, explaining that it is a form of transport that does not require energy, and moves molecules down their concentration gradient. It is 3 of 4 in the series titled "Passive Transport."
Sophia Learning
Sophia: Passive Transport: Lesson 4
This lesson introduces the process of passive transport, explaining that it is a form of transport that does not require energy, and moves molecules down their concentration gradient. It is 4 of 4 in the series titled "Passive Transport."
Sophia Learning
Sophia: Passive Transport: Lesson 1
This lesson introduces the process of passive transport, explaining that it is a form of transport that does not require energy, and moves molecules down their concentration gradient. It is 1 of 4 in the series titled "Passive Transport."
Bio Topics
Bio Topics: How Substances Get Into (And Out Of) Cells
Understand the processes that allow substances to enter and exit a cell with this interactive online worksheet. Site discusses both diffusion and osmosis.
Sophia Learning
Sophia: Diffusion: Lesson 1
This lesson explains the process of diffusion. It explains how diffusion is a passive form of transport, used to move molecules down their concentration gradient. It is 1 of 8 in the series titled "Diffusion."
BiologyWise
Biology Wise: Functions of Vesicles
Describes the characteristics of vesicles and the functions they perform in a cell based on which type they are.
BiologyWise
Biology Wise: What Is Facilitated Diffusion?
Explains the process of facilitated diffusion which allows selective movement of materials across the cellular membrane.
BiologyWise
Biology Wise: Passive Transport and Active Transport
Cell transport can be active or passive. The two forms are described here and their differences highlighted.
Curated OER
Estrella Mountain Community College: Cell Shape: Diagram
Diagram showing what happens to cells placed in distilled water and in a salt solution.
Curated OER
Estrella Mountain Community College: Cell Shape: Diagram
Diagram showing what happens to cells placed in distilled water and in a salt solution.
Curated OER
Passive Transport in and Out of Cells
Diagram showing how passive transport works across a cell membrane.
Curated OER
Active Transport in and Out of Cells: Diagram
Diagram showing how active transport works across a cell membrane.