rik@ucla-cs.UUCP (09/20/85)
Theme of this issue is "Molecular Biology." %A Robert A. Weinberg %T The Molecules of Life %J Scientific American %V 253 %N 4 %D October 1985 %P 48-57 %Z Presenting an issue on powerful techniques and remarkable findings of the new molecular biology. %A Gary Felsenfeld %T DNA %J Scientific American %V 253 %N 4 %D October 1985 %P 58-67 %Z The double helix can change its shape, enabling it to interact with various regulatory molecules. %A James E. Jr. Darnell %T RNA %J Scientific American %V 253 %N 4 %D October 1985 %P 68-78 %Z Now it translates DNA into proteins, but it may itself have been the very first genetic material. %A Russell F. Doolittle %T Proteins %J Scientific American %V 253 %N 4 %D October 1985 %P 88-99 %Z Genes encode proteins; proteins in turn, by means of selective binding, do almost everything else. %A Mark S. Bretscher %T The Molecules of the Cell Membrane %J Scientific American %V 253 %N 4 %D October 1985 %P 100-108 %Z A bilayer of lipids, in which proteins are embedded, controls traffic into and out of the living cell. %A Klaus Weber %A Mary Osborn %T The Molecules of the Cell Matrix %J Scientific American %V 253 %N 4 %D October 1985 %P 110-120 %Z The framework of varied proteins that gives form to the cell is being analyzed by new techniques. %A Susumu Tonegawa %T The Molecules of the Immune System %J Scientific American %V 253 %N 4 %D October 1985 %P 122-131 %Z An almost infinitely diverse battery of proteins recognize foreign invaders and defend against them. %A Solomon H. Snyder %T The Molecular Basis of Communication Between Cells %J Scientific American %V 253 %N 4 %D October 1985 %P 132-141 %Z Hormones and neurotransmitters seem very different, but some molecules act as both. %A Michael J. Berridge %T The Molecular Basis of Communication Within the Cell %J Scientific American %V 253 %N 4 %D October 1985 %P 142-152 %Z A few "second messengers" relay signals regulating a wide variety of cellular responses. %A Walter J. Gehring %T The Molecular Basis of Development %J Scientific American %V 253 %N 4 %D October 1985 %P 152B-162 %Z A bit of DNA called the homeobox helps to orchestrate development in a startling array of animals. %A Allan C. Wilson %T The Molecular Basis of Evolution %J Scientific American %V 253 %N 4 %D October 1985 %P 164-173 %Z By tracking mutations in DNA, molecular biologists gain new insights into organismal evolution.