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Table of Contents    April 1971; 68 (4)  [Index By Author]

E. Goldwasser and C. K.-H. Kung
Purification of Erythropoietin
PNAS 1971 68: 697-698. [Abstract] [PDF]  

J. Kettman and R. W. Dutton
Radioresistance of the Enhancing Effect of Cells from Carrier-Immunized Mice in an in vitro Primary Immune Response
PNAS 1971 68: 699-703. [Abstract] [PDF]  

Jonathan S. Friedlaender
Isolation by Distance in Bougainville
PNAS 1971 68: 704-707. [Abstract] [PDF]  

James D. Regan, R. B. Setlow, and R. D. Ley
Normal and Defective Repair of Damaged DNA in Human Cells: A Sensitive Assay Utilizing the Photolysis of Bromodeoxyuridine
PNAS 1971 68: 708-712. [Abstract] [PDF]  

Thomas G. Ebrey
Energy Transfer in Rhodopsin, N-retinyl-opsin, and Rod Outer Segments
PNAS 1971 68: 713-716. [Abstract] [PDF]  

Arnold J. Levine
Induction of Mitochondrial DNA Synthesis in Monkey Cells Infected by Simian Virus 40 and (or) Treated with Calf Serum
PNAS 1971 68: 717-720. [Abstract] [PDF]  

Jobst-Heinrich Klemme and Howard Gest
Regulatory Properties of an Inorganic Pyrophosphatase from the Photosynthetic Bacterium Rhodospirillum rubrum
PNAS 1971 68: 721-725. [Abstract] [PDF]  

Gunter F. Bahr and Harvey M. Golomb
Karyotyping of Single Human Chromosomes from Dry Mass Determined by Electron Microscopy
PNAS 1971 68: 726-730. [Abstract] [PDF]  

Jack Erlichman, Allen H. Hirsch, and Ora M. Rosen
Interconversion of Cyclic Nucleotide-Activated and Cyclic Nucleotide-Independent Forms of a Protein Kinase from Beef Heart
PNAS 1971 68: 731-735. [Abstract] [PDF]  

Ferid Murad, Vincent Manganiello, and Martha Vaughan
A Simple, Sensitive Protein-Binding Assay for Guanosine 3':5'-monophosphate
PNAS 1971 68: 736-739. [Abstract] [PDF]  

Rene I. Jahiel, David Taylor, Norbert Rainford, Stephen E. Hirschberg, and Rayna Kroman
Inducers of Interferon Inhibit the Mitotic Response of Liver Cells to Partial Hepatectomy
PNAS 1971 68: 740-742. [Abstract] [PDF]  

M. Yoshikawa-Fukada and J. D. Ebert
Further Characterization of the Cellular DNA Hybridizing with the RNA of Rous Sarcoma Virus
PNAS 1971 68: 743-746. [Abstract] [PDF]  

Peter Duesberg, Klaus V. D. Helm, and Eli Canaani
Properties of a Soluble DNA Polymerase Isolated from Rous Sarcoma Virus
PNAS 1971 68: 747-751. [Abstract] [PDF]  

Nang-Ly Chow and Robert W. Simpson
RNA-Dependent RNA Polymerase Activity Associated with Virions and Subviral Particles of Myxoviruses
PNAS 1971 68: 752-756. [Abstract] [PDF]  

David Taylor Moran and Francisco Garcia Varela
Microtubules and Sensory Transduction
PNAS 1971 68: 757-760. [Abstract] [PDF]  

Thomas Kornberg and Malcolm L. Gefter
Purification and DNA Synthesis in Cell-Free Extracts: Properties of DNA Polymerase II
PNAS 1971 68: 761-764. [Abstract] [PDF]  

Steven Brostoff and E. H. Eylar
Localization of Methylated Arginine in the A1 Protein from Myelin
PNAS 1971 68: 765-769. [Abstract] [PDF]  

J. J. Pisano, J. S. Finlayson, Marjorie P. Peyton, and Yumiko Nagai
epsilon -(gamma -glutamyl)lysine in Fibrin: Lack of Crosslink Formation in Factor XIII Deficiency
PNAS 1971 68: 770-772. [Abstract] [PDF]  

Robert E. Koch
The Influence of Neighboring Base Pairs upon Base-Pair Substitution Mutation Rates
PNAS 1971 68: 773-776. [Abstract] [PDF]  

S. H. Lin, R. Sahai, and H. Eyring
Kinetics of Heterogeneous Chemical Reactions: A Theoretical Model for the Accumulation of Pesticides in Soil
PNAS 1971 68: 777-780. [Abstract] [PDF]  

Suresh S. Tate and Alton Meister
Regulation of Rat Liver Glutamine Synthetase: Activation by alpha -ketoglutarate and Inhibition by Glycine, Alanine, and Carbamyl Phosphate
PNAS 1971 68: 781-785. [Abstract] [PDF]  

Gordon N. Gill and Leonard D. Garren
Role of the Receptor in the Mechanism of Action of Adenosine 3':5'-cyclic Monophosphate
PNAS 1971 68: 786-790. [Abstract] [PDF]  

Shiing-Shen Chern and James Simons
Some Cohomology Classes in Principal Fiber Bundles and their Application to Riemannian Geometry
PNAS 1971 68: 791-794. [Abstract] [PDF]  

R. Press, N. Glansdorff, P. Miner, J. De Vries, R. Kadner, and W. K. Maas
Isolation of Transducing Particles of phi 80 Bacteriophage that Carry Different Regions of the Escherichia coli Genome
PNAS 1971 68: 795-798. [Abstract] [PDF]  

Neil A. Straus
Comparative DNA Renaturation Kinetics in Amphibians
PNAS 1971 68: 799-802. [Abstract] [PDF]  

M. F. Holick, H. K. Schnoes, and H. F. DeLuca
Identification of 1,25-dihydroxycholecalciferol, a Form of Vitamin D3 Metabolically Active in the Intestine
PNAS 1971 68: 803-804. [Abstract] [PDF]  

Max H. Schreier and Hans Noll
Conformational Changes in Ribosomes during Protein Synthesis
PNAS 1971 68: 805-809. [Abstract] [PDF]  

D. W. Urry
Neutral Sites for Calcium Ion Binding to Elastin and Collagen: A Charge Neutralization Theory for Calcification and Its Relationship to Atherosclerosis
PNAS 1971 68: 810-814. [Abstract] [PDF]  

F. Brock Fuller
The Writhing Number of a Space Curve
PNAS 1971 68: 815-819. [Abstract] [PDF]  

Alfred G. Knudson
Mutation and Cancer: Statistical Study of Retinoblastoma
PNAS 1971 68: 820-823. [Abstract] [PDF]  

Sidney R. Kushner, Haruko Nagaishi, Ann Templin, and Alvin J. Clark
Genetic Recombination in Escherichia coli: The Role of Exonuclease I
PNAS 1971 68: 824-827. [Abstract] [PDF]  

Stephen Grossberg
Pavlovian Pattern Learning by Nonlinear Neural Networks
PNAS 1971 68: 828-831. [Abstract] [PDF]  

Gunter Blobel
Release, Identification, and Isolation of Messenger RNA from Mammalian Ribosomes
PNAS 1971 68: 832-835. [Abstract] [PDF]  

M. W. Taylor, B. Cordell, M. Souhrada, and S. Prather
Viruses as an Aid to Cancer Therapy: Regression of Solid and Ascites Tumors in Rodents after Treatment with Bovine Enterovirus
PNAS 1971 68: 836-840. [Abstract] [PDF]  

Sung Hou Kim, Gary Quigley, F. L. Suddath, and Alexander Rich
High-Resolution X-Ray Diffraction Patterns of Crystalline Transfer RNA that Show Helical Regions
PNAS 1971 68: 841-845. [Abstract] [PDF]  

Paul A. Weiss and Robert Mayr
Organelles in Neuroplasmic ("Axonal") Flow: Neurofilaments
PNAS 1971 68: 846-850. [Abstract] [PDF]  

D. Von Wettstein
The Synaptinemal Complex and Four-Strand Crossing over
PNAS 1971 68: 851-855. [Abstract] [PDF]  

C. J. Lai and B. Weisblum
Altered Methylation of Ribosomal RNA in an Erythromycin-Resistant Strain of Staphylococcus aureus
PNAS 1971 68: 856-860. [Abstract] [PDF]  

Toshio Asakura, John S. Leigh, Henry R. Drott, Takashi Yonetani, and Britton Chance
Structural Measurements in Hemoproteins: Use of Spin-Labeled Protoheme as a Probe of Heme Environment
PNAS 1971 68: 861-865. [Abstract] [PDF]  

H. D. Niall, M. L. Hogan, R. Sauer, I. Y. Rosenblum, and F. C. Greenwood
Sequences of Pituitary and Placental Lactogenic and Growth Hormones: Evolution from a Primordial Peptide by Gene Reduplication
PNAS 1971 68: 866-869. [Abstract] [PDF]  

Correction: Introduction of a Heterologous Nucleus into Enucleated Cytoplasms of Cultured Mouse L-Cells
PNAS 1971 68: 870. [PDF]  

Correction: Posttranscriptional Control of Tyrosine Aminotransferase Synthesis by Insulin
PNAS 1971 68: 870. [PDF]  

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