Contents 
229 Complex Control of the Immunoglobulin Heavy-Chain Gene 
Thomas R. Kadesch, Ph.D. 
231 Human Genetic Diseases 
Yuet Wai Kan, M.D., D.Sc. 
233 Cell Biological Studies of Memory 
Eric R. Kandel, M.D. 
235 The T Cell Repertoire 
John W. Kappler, Ph.D. 
237 Visual System Development in Drosophila 
Flora N. Katz, Ph.D. 
239 Genetic Control of Morphogenesis 
Thomas C. Kaufman, Ph.D. 
243 Protein Folding and Macromolecular Recognition 
Peter S. Kim, Ph.D. 
245 RNA Genetics 
Karla A. Kirkegaard, Ph.D. 
247 Signal Transduction by Adrenergic Receptors 
Brian K. Kobilka, M.D. 
249 Molecular Genetics of Lymphocyte Development and Neoplasia 
Stanley J. Korsmeyer, M.D. 
251 Molecular Genetics of Neuromuscular Disease 
Louis M. Kunkel, Ph.D. 
253 X-ray Diffraction and Computer Simulation Studies of Protein Function 
John Kuriyan, Ph.D. 
255 Molecular Analysis of Down Syndrome 
David M. Kurnit, M.D., Ph.D. 
257 Replication and Pathogenesis of RNA Viruses 
Michael M.-C. Lai, M.D., Ph.D. 
259 Human Papillomaviruses Types 16 and 18 
Laimonis A. Laimins, Ph.D. 
261 Genetics and Biochemistry of Lipoprotein Lipase Deficiency 
Jean-Marc Lalouel, M.D., D.Sc. 
265 Structure and Replication of Influenza Virus and Paramyxoviruses 
Robert A. Lamb, Ph.D. 
2^7 The Enzymes Causing Thyroid Hormone Activation 
P. Reed Larsen, M.D. 
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