Editor-in-Chief.

Editorial Board.

List of Contributors.

Color Plates.

Recombination and Genome Rearrangements (Hannah L. Klein).

Regulation of Stem Cell (Anil Kumar).

Regulation of Stem Cell Populations (Daniela Drummond-Barbosa).

Regulome (Miguel A. Andrade, Michael A. Rudnicki).

Repair and Mutagenesis of DNA (Raymond Devoret).

Repetitive Sequence and Noncoding DNA Evolution in Eukaryotes (Josep M. Comeron).

Replication and the Cell Cycle (Helena E. Richardson, Leonie M. Quinn, Nancy Amin, Anabel Herr, Julie Secombe, Anthony M. Brumby, Kathryn M. Doyle, Patrick O. Humbert).

Reporter Gene System: Green Fluorescent Protein (Boon Chuan Low, Zhiyuan Gong).

Reproduction of Plants (Jaroslava Dubová, Jan Hejáatko, Jiří Friml).

Respiratory Syncytial Virus Vaccine (Edward E. Walsh).

Restriction Endonuclease and DNA-Modification Methyltransferases (Albert Jeltsch, Richard I. Gumport).

Retinoblastoma, Molecular Genetics of (Vivette D. Brown, Brenda L. Gallie).

Retinoids and the Chemical Biology of the Visual Cycle (Robert R. Rando).

Retrovirus Integration, Biological and Biochemical Machineries for (Duane Grandgenett, Sibes Bera).

Rhythmic and Temporal Processes in Biology (Russell G. Foster, Stuart Peirson, David Whitmore).

Ribosome, High Resolution Structure and Function (Christiane Schaffitzel, Nenad Ban).

Ribozymes (Joyce E. Heckman).

RNA Interference (John G. Doench, Carl Novina).

RNA Methodologies (Robert E. Farrell, Jr.).

RNA Secondary Structures (IvoL. Hofacker,PeterF. Stadler).

RNA Three-Dimensional Structures, Computer Modeling of (François Major, Philippe Thibault).

Sense of Smell (Robert P. Lane, Gregory S. Smutzer, Richard L. Doty).

Serial Analysis of Gene Expression (Jacques Marti, Jean-Marc Elalouf).

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.