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Volume 41(12);  December 15, 1955
The cover of the journal
Biochemistry
STATISTICAL CORRELATION OF PROTEIN AND RIBONUCLEIC ACID COMPOSITION
George Gamow and Martynas Yčas
Proc Natl Acad Sci U S A. 1955 December 15; 41(12): 1011–1019.
PMCID: PMC528190
CRYSTALLIZATION OF PURIFIED MEF-1 POLIOMYELITIS VIRUS PARTICLES
F. L. Schaffer and C. E. Schwerdt
Proc Natl Acad Sci U S A. 1955 December 15; 41(12): 1020–1023.
PMCID: PMC528191
Botany
INFLUENCE OF AUXIN ON CELL-WALL METABOLISM
Lawrence Ordin, Robert Cleland, and James Bonner
Proc Natl Acad Sci U S A. 1955 December 15; 41(12): 1023–1029.
PMCID: PMC528192
THE PERMEABILITY OF POTATO TISSUE TO WATER
Kenneth V. Thimann and Edmund W. Samuel
Proc Natl Acad Sci U S A. 1955 December 15; 41(12): 1029–1033.
PMCID: PMC528193
Chemistry
THE ION-PAIR EQUILIBRIUM OF ELECTROLYTE SOLUTIONS IN DIOXANE-WATER MIXTURES
Philip L. Mercier and Charles A. Kraus
Proc Natl Acad Sci U S A. 1955 December 15; 41(12): 1033–1041.
PMCID: PMC528194
ON THE CHEMICAL STRUCTURE OF THE REACTIVE SITES OF ANTIBODY MOLECULES
S. J. Singer
Proc Natl Acad Sci U S A. 1955 December 15; 41(12): 1041–1045.
PMCID: PMC528195
Genetics
RADIATION DAMAGE IN THE DEVELOPING GERM CELLS OF Drosophila Virilis
Mary L. Alexander and Wilson S. Stone
Proc Natl Acad Sci U S A. 1955 December 15; 41(12): 1046–1057.
PMCID: PMC528196
A POSSIBLE MECHANISM FOR THE REPLICATION OF THE HELICAL STRUCTURE OF DESOXYRIBONUCLEIC ACID
David P. Bloch
Proc Natl Acad Sci U S A. 1955 December 15; 41(12): 1058–1064.
PMCID: PMC528197
SUPPRESSIVENESS: A NEW FACTOR IN THE GENETIC DETERMINISM OF THE SYNTHESIS OF RESPIRATORY ENZYMES IN YEAST
Boris Ephrussi, Hélène de Margerie-Hottinguer, and Herschel Roman
Proc Natl Acad Sci U S A. 1955 December 15; 41(12): 1065–1071.
PMCID: PMC528198
A CYTOGENETIC STUDY OF THE X CHROMOSOME OF Drosophila Busckii AND ITS RELATION TO PHYLOGENY
J. D. Krivshenko
Proc Natl Acad Sci U S A. 1955 December 15; 41(12): 1071–1079.
PMCID: PMC528199
Dystrophia Muscularis: A HEREDITARY PRIMARY MYOPATHY IN THE HOUSE MOUSE
Ann M. Michelson, Elizabeth S. Russell, and Pinckney J. Harman
Proc Natl Acad Sci U S A. 1955 December 15; 41(12): 1079–1084.
PMCID: PMC528200
RECOMBINATION INCREASE DUE TO HETEROLOGOUS INVERSIONS AND THE RELATION TO CYTOLOGICAL LENGTH
Helen Redfield
Proc Natl Acad Sci U S A. 1955 December 15; 41(12): 1084–1091.
PMCID: PMC528201
Mathematics
ABSTRACT HOMOTOPY
Daniel M. Kan
Proc Natl Acad Sci U S A. 1955 December 15; 41(12): 1092–1096.
PMCID: PMC528202
ON THE IRREDUCIBLE REPRESENTATIONS OF THE SYMMETRIC GROUP
Francis D. Murnaghan
Proc Natl Acad Sci U S A. 1955 December 15; 41(12): 1096–1103.
PMCID: PMC528203
Physics
UNIQUENESS OF THE FINE-STRUCTURE CONSTANT
I. E. Segal
Proc Natl Acad Sci U S A. 1955 December 15; 41(12): 1103–1107.
PMCID: PMC528204
Journal Matter
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