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Volume 49(4);  April 1963
The cover of the journal
Anthropology
DIFFERENTIAL MORTALITY AMONG THE SEXES IN CHILDHOOD AND ITS POSSIBLE SIGNIFICANCE IN HUMAN EVOLUTION
Ursula M. Cowgill and G. E. Hutchinson
Proc Natl Acad Sci U S A. 1963 April; 49(4): 425–429.
PMCID: PMC299865
Biochemistry
REPRESSION OF ALKALINE PHOSPHATASE IN HUMAN CELL CULTURES BY CYSTINE AND CYSTEINE
Rody P. Cox and Colin M. MacLeod
Proc Natl Acad Sci U S A. 1963 April; 49(4): 504–510.
PMCID: PMC299890
CELL-FREE PROTEIN SYNTHESIS: THE ASSOCIATION OF VIRAL RNA AND E. COLI RIBOSOMES
R. Haselkorn, V. A. Fried, and J. E. Dahlberg
Proc Natl Acad Sci U S A. 1963 April; 49(4): 511–517.
PMCID: PMC299891
THE MAINTENANCE OF THE ACCURACY OF PROTEIN SYNTHESIS AND ITS RELEVANCE TO AGEING
L. E. Orgel
Proc Natl Acad Sci U S A. 1963 April; 49(4): 517–521.
PMCID: PMC299893
DYNAMIC ROLE OF TRIPLET STATES IN PHOTOSYNTHESIS
G. W. Robinson
Proc Natl Acad Sci U S A. 1963 April; 49(4): 521–529.
PMCID: PMC299894
THE SPECIES VARIATION OF RNA METHYLASE
P. R. Srinivasan and Ernest Borek
Proc Natl Acad Sci U S A. 1963 April; 49(4): 529–533.
PMCID: PMC299896
RIBONUCLEIC ACID POLYMERASE OF AZOTOBACTER VINELANDII, II. FORMATION OF DNA-RNA HYBRIDS WITH SINGLE-STRANDED DNA AS PRIMER
Robert C. Warner, Herbert H. Samuels, Mitchel T. Abbott, and Joseph S. Krakow
Proc Natl Acad Sci U S A. 1963 April; 49(4): 533–538.
PMCID: PMC299897
DISTINCT CISTRONS FOR THE TWO RIBOSOMAL RNA COMPONENTS
S. A. Yankofsky and S. Spiegelman
Proc Natl Acad Sci U S A. 1963 April; 49(4): 538–544.
PMCID: PMC299899
THE RELATIONSHIP BETWEEN RNA SYNTHESIS AND LOOP STRUCTURE IN LAMPBRUSH CHROMOSOMES
Mitsuo Izawa, V. G. Allfrey, and A. E. Mirsky
Proc Natl Acad Sci U S A. 1963 April; 49(4): 544–551.
PMCID: PMC299901
ROLE OF CHLOROPLAST FERREDOXIN IN THE ENERGY CONVERSION PROCESS OF PHOTOSYNTHESIS
K. Tagawa, H. Y. Tsujimoto, and Daniel I. Arnon
Proc Natl Acad Sci U S A. 1963 April; 49(4): 567–572.
PMCID: PMC299906
Botany
DIRECT AND OPTICAL ASSAY OF LEAF MASS OF THE LOWER MONTANE RAIN FOREST OF PUERTO RICO
Howard T. Odum, B. J. Copeland, and Robert Z. Brown
Proc Natl Acad Sci U S A. 1963 April; 49(4): 429–434.
PMCID: PMC299867
Genetics
RADIATION RECOVERY ENHANCED THROUGH INHIBITORS OF PROTEIN SYNTHESIS AND AMINO ACIDS
Alvin V. Beatty and Jeanne W. Beatty
Proc Natl Acad Sci U S A. 1963 April; 49(4): 434–439.
PMCID: PMC299868
DECREASE OF POPULATION FITNESS UPON INBREEDING
C. C. Li
Proc Natl Acad Sci U S A. 1963 April; 49(4): 439–445.
PMCID: PMC299870
SOMATIC RECOMBINATION IN PSEUDOWILD-TYPE CULTURES OF NEUROSPORA CRASSA
Thad H. Pittenger and Marie B. Coyle
Proc Natl Acad Sci U S A. 1963 April; 49(4): 445–451.
PMCID: PMC299871
INCORPORATION OF 5-IODODEOXYURIDINE INTO DNA OF PLANT CELLS
H. H. Smith, B. H. Kugelman, S. L. Commerford, and W. Szybalski
Proc Natl Acad Sci U S A. 1963 April; 49(4): 451–457.
PMCID: PMC299873
THE MOLECULAR SYNCHRONY AND SEQUENTIAL REPLICATION OF DNA IN ESCHERICHIA COLI
Toshio Nagata
Proc Natl Acad Sci U S A. 1963 April; 49(4): 551–559.
PMCID: PMC299902
SEQUENTIAL REPLICATION OF BACILLUS SUBTILIS CHROMOSOME, I. COMPARISON OF MARKER FREQUENCIES IN EXPONENTIAL AND STATIONARY GROWTH PHASES
Hiroshi Yoshikawa and Noboru Sueoka
Proc Natl Acad Sci U S A. 1963 April; 49(4): 559–566.
PMCID: PMC299904
Mathematics
DUALITY FOR COMPACT GROUPS
J. L. Kelley
Proc Natl Acad Sci U S A. 1963 April; 49(4): 457–458.
PMCID: PMC299874
ON SPRAYS AND HIGHER ORDER CONNECTIONS
P. Libermann
Proc Natl Acad Sci U S A. 1963 April; 49(4): 459–462.
PMCID: PMC299875
ALMOST AUTOMORPHIC FUNCTIONS
W. A. Veech
Proc Natl Acad Sci U S A. 1963 April; 49(4): 462–464.
PMCID: PMC299877
Microbiology
COLANIC ACID
Walther F. Goebel
Proc Natl Acad Sci U S A. 1963 April; 49(4): 464–471.
PMCID: PMC299878
THE INFRARED SPECTRAL CHARACTERIZATION OF COLANIC ACID
Herbert Jaffe
Proc Natl Acad Sci U S A. 1963 April; 49(4): 472–473.
PMCID: PMC299880
CELLULAR ALTERATIONS IN THE MCH LINE OF CHINESE HAMSTER CELLS FOLLOWING INFECTION WITH HERPES SIMPLEX VIRUS
Berge Hampar and Solon A. Ellison
Proc Natl Acad Sci U S A. 1963 April; 49(4): 474–480.
PMCID: PMC299881
THE DENATURATION AND THE RENATURATION OF THE DNA OF POLYOMA VIRUS
Roger Weil
Proc Natl Acad Sci U S A. 1963 April; 49(4): 480–487.
PMCID: PMC299883
THE DEFECTIVENESS OF ROUS SARCOMA VIRUS
Hidesaburo Hanafusa, Teruko Hanafusa, and Harry Rubin
Proc Natl Acad Sci U S A. 1963 April; 49(4): 572–580.
PMCID: PMC299907
Physics
AN APPROXIMATE CELL MODEL FOR LIQUID HYDROGEN, II
Douglas Henderson
Proc Natl Acad Sci U S A. 1963 April; 49(4): 487–492.
PMCID: PMC299885
Physiology
EVIDENCES OF THERMAL SWEATING IN THE FOOT PAD OF THE CAT
David P. C. Lloyd
Proc Natl Acad Sci U S A. 1963 April; 49(4): 492–496.
PMCID: PMC299886
Zoology
MOLECULAR GENETICS OF AVIAN PROTEINS, II. CONTROL GENES AND STRUCTURAL GENES FOR EMBRYONIC AND ADULT HEMOGLOBINS
Clyde Manwell, C. M. Ann Baker, J. D. Roslansky, and Martha Foght
Proc Natl Acad Sci U S A. 1963 April; 49(4): 496–503.
PMCID: PMC299888
Journal Matter
Original table of contents page
Administrative content — journal masthead, notices, indexes, etc.
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