"The Science Source"

This model is made of translucent material that simulates cytoplasm.

This translucent model provides a detailed, three-dimensional view of cell.

For Demonstration And Display

Individual Stages Of A Virus Destroying A Cell

It's easy to construct the three-dimensional model of DNA. Emphasizing the base-pair sequence and function of DNA, the sturdy, colorful bases snap together in the correct sequence, and the pairs attach to a center rod representing hydrogen bonds.