Nucleus, Cytoplasm, Membrane

What constitutes a cell? More than any other structures, it is the nucleus, cytoplasm, and membrane. Explore the form and function of these three critical cell parts in this video segment adapted from Carolina Biological Supply's An Introduction to the Living Cell. CREDITS: LICENSE:

LicenseCustom License

More videos by this producer

Infrared: More Than Your Eyes Can See

The electromagnetic spectrum, spanning energies and wavelengths from radio waves to gamma rays, encompasses all forms of light. Infrared radiation, located in the range just beyond visible light, is emitted by all matter and is very useful in gathering data about Earth and space. In this video segme

The Ocean: A Driving Force for Weather and Climate

Learn how the ocean relates to weather and climate in this video from NASA. Uneven heating from the Sun drives ocean and atmospheric circulation. Animations and satellite data show how ocean currents and eddies distribute energy and nutrients around the world. Heat exchanges between the ocean and th

The Index of Refraction and Snell’s Law

In this video from the ICT Center, learn about the index of refraction and Snell's law. Review a simple example of refraction, the speed of light in materials and the formula for calculating the index of refraction. Explore a table of the refractive indices of common media and materials used in fibe