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Introduction to Viruses

Introduction to Viruses

Viruses are submicroscopic particles that can be seen only with a powerful electron microscope. They are not cells, but consist of genetic material, enclosed in a protective layer of protein. Learn more about the nature of viruses, and how scientists are working to understand and combat them.

Companion slide set to the video, "Introduction to Viruses."

Author(s): Joseph G. Marx, PhD
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Cloning Involves Making Identical Copies

Somatic Cell Nuclear Transfer (SCNT)

Therapeutic Cloning vs. Reproductive Cloning

Natural Selection

Sexual Selection

Mutation

Natural Selection

Animal Behavior

Learned Animal Behavior

Patterns of Behavior in Animals

Animal Communication

Human Organ Systems

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Funded by the following grant(s)

Video and transcript courtesy of Wah Chiu, PhD, National Center for Macromolecular Imaging at Baylor College of Medicine. Funding for the video provided by NCMI, NIH.