Cell Movement and Transport
(#VC402 - 14 minutes, $60)

Modules: Behavior of the Plasma Membrane, Osmosis, Transport Proteins, Phagocytosis, Pinocytosis, Receptor Mediated Endocytosis, Golgi Function, Lysosomes and Digestion, Microtubules, Cilia, Actin and Myosin Motor Proteins

Sample Movie From This Program – 1.5 Meg

Cell Movement and Transport is organized into short-play learning modules, for concise instruction.

1. Structure and Behavior of the Plasma Membrane (00:57) Phospholipid bilayers behave as a two dimensional fluid surrounding the cell.

2. Osmosis (2:25) Differences in water-potential between the cell interior and its surroundings affect the net movement of water into and out of a cell.

3. Transport Proteins (00:54) Biological membranes swarm with proteins that act as gates and channels, allowing substances to enter and leave cells.

4. Phagocytosis (1:39) Many types of free-living cells engulf food for digestion within food vacuoles.

5. Pinocytosis (00:25) Cells bring in nutrient fluids by incorporating them into small vesicles.

6. Receptor Mediated Endocytosis (00:47) Receptor proteins on the cell surface trap specific types of molecules that are taken in by endocytosis.

7. Golgi Function (00:38) The Golgi apparatus is a folded stack of membranes that sorts and packages cell products.

8. Lysosomes and Hydrolytic Digestion (1:20) Demonstrates the action of lysosomes Ü organelles that hold and transport hydrolytic enzymes.

9. Microtubules (1:04) Quickly assembling and breaking down, microtubules create support structures and function in many kinds of cell movement.

10. Cilia (1:10) An amazing molecular hook and claw action drives the ciliary beat.

11. Actin and Myosin Motor Proteins (1:15) The interaction between these two proteins moves cell particles and produces the contraction of muscles.

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