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Volume 39(2);  February 1953
The cover of the journal
Biochemistry
Comparison of the Phosphorus Content, Optical Rotation, Separation of Hemes and Globin, and Terminal Amino Acid Residurs of Normal Adult Human Hemoglobin and Sickle Cell Anemia Hemoglobin
E. Havinga
Proc Natl Acad Sci U S A. 1953 February; 39(2): 59–64.
PMCID: PMC1063729
Electrophoretic Studies of Globins Prepared From Normal Adult and Sickle Cell Hemoglobins
E. Havinga and H. A. Itano
Proc Natl Acad Sci U S A. 1953 February; 39(2): 65–67.
PMCID: PMC1063730
Botany
The Effect of Ammonia on Morphogenesis in the Acrasieae
Arthur L. Cohen
Proc Natl Acad Sci U S A. 1953 February; 39(2): 68–74.
PMCID: PMC1063731
Biometric Evidence of Natural Selection in Asclepias Tuberosa
Robert E. Woodson, Jr.
Proc Natl Acad Sci U S A. 1953 February; 39(2): 74–79.
PMCID: PMC1063732
Chemistry
A Study of Lignin Formation Based on the Oxidation of Native and Enzymatically Liberated Lignins
George de Stevens and F. F. Nord
Proc Natl Acad Sci U S A. 1953 February; 39(2): 80–84.
PMCID: PMC1063733
A Proposed Structure For The Nucleic Acids
Linus Pauling and Robert B. Corey
Proc Natl Acad Sci U S A. 1953 February; 39(2): 84–97.
PMCID: PMC1063734
Genetics
Induced Dominant Lethality in Lilium
Spencer W. Brown and Marion S. Cave
Proc Natl Acad Sci U S A. 1953 February; 39(2): 97–102.
PMCID: PMC1063735
Kappa Concentration per Cell in Relation to the Life Cycle, Genotype and Mating Type in Paramecium Aurelia, Variety 4
P. K. Chao
Proc Natl Acad Sci U S A. 1953 February; 39(2): 103–113.
PMCID: PMC1063736
Mating Type Determination in Paramecium Aurelia, a Model of Nucleo-Cytoplasmic Interaction
David L. Nanney
Proc Natl Acad Sci U S A. 1953 February; 39(2): 113–119.
PMCID: PMC1063737
Mathematics
Representations by Cubic Congruences
Eckford Cohen
Proc Natl Acad Sci U S A. 1953 February; 39(2): 119–121.
PMCID: PMC1063738
Almost Periodic Functions on Locally Compact Groups
Raimond A. Struble
Proc Natl Acad Sci U S A. 1953 February; 39(2): 122–126.
PMCID: PMC1063739
Pathology
Organismal Differentials and Organ Differentials
Leo Loeb
Proc Natl Acad Sci U S A. 1953 February; 39(2): 127–134.
PMCID: PMC1063740
Journal Matter
Original table of contents page
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