Editor-in-Chief.

Editorial Board.

List of Contributors.

Color Plates.

Origins of Life, Molecular Basis of (James P. Ferris).

Pain Transduction: Gating and Modulation of Ion Channels (Peter A. McNaughton).

Paleontology, Molecular (Rob DeSalle, Mary G. Egan).

Parthenogenetic Stem Cells (Jason D. Hipp, Josyf C. Mychaleckyj, Jose B. Cibelli, J. David Wininger, Kathleen A. Grant, Kent E. Vrana).

Pathogens: Innate Immune Reponses (Stefan Ehlers, Silvia Bulfone-Paus).

Pathophysiology of Stroke (Andreas Meisel, Konstantin Prass, Tilo Wolf, Ulrich Dirnagl).

Peptide and Non-Peptide Combinatorial Libraries (Ruiwu Liu, Kit S. Lam).

Phagocytosis (Rebecca M. Henry, Joel A. Swanson).

Pharmacogenomics and Drug Design (Philip Dean, Paul Gane, Edward Zanders).

Pharmacokinetics and Pharmacodynamics of Biotech Drugs (Bernd Meibohm, Hartmut Derendorf).

Pharmacology and Emerging Clinical Application of RNA (Sailen Barik, Vira Bitko).

Phospholipids (Dennis E. Vance).

Plant Gene Expression, Regulation of (Pravendra Nath, Vidhu A. Sane, Aniruddha P. Sane, Prabodh K. Trivedi).

Plant Pathology, Molecular (Matt Dickinson).

Plant-based Expression of Biopharmaceuticals (Jörg Knäblein).

Plasmids (Dhruba K. Chattoraj).

Pragmatic Computational Biology: Sequence Analysis and Biological Systems Description (Andrzej K. Konopka).

Preimplantation Mammalian Development, Regulation of Gene Expression in (Melvin L. DePamphilis).

Preparedness for Bioterrorism (Nancy Khardori).

Principles and Applications of Embryogenomics (Vincent Vanburen, Minoru S. H. Ko).

Prions (Stanley B. Prusiner).

Programmed Cell Death (David L. Vaux, Andreas Strasser).

Prokaryotic and Eukaryotic Cells in Biotech Production (Irmgard Merfort, Stefan Pelzer, Dirk Hoffmeister, Andreas Bechthold).

Glossary of Basic Terms.

The Twenty Amino Acids that are Combined to Form Proteins in Living Things.

The Twenty Amino Acids with Abbreviations and Messenger RNA Code Designations.

Complementary Strands of DNA with Base Pairing.