Presenting revelatory and exhilarating stories of scientists, doctors, and the patients whose lives may be saved by their work, the author draws on his own experience as a researcher, doctor, and prolific reader to explore how the discovery of cells created a new kind of medicine based on the therapeutic manipulation of cells.

Use this second 15-question practice set to test your understanding of cellular organelles and improve your skills. Topics include prokaryotes, eukaryotes, and the differences between plant and animal cells. When you're done, make sure to read the answer explanations, which break down each key concept.

This exploration of the spectacular yet commonplace journey of the development of human life from a single cell to birth draws on the latest research into how life and the body take shape.

Explores the basic unit that makes up all living organisms--the cell. Looks at DNA and microscopic creatures like amoebas and paramecia.