Oparin-Haldane hypothesis (20th century) Biology
- phenotype theory (1924) Biology. // Dictionary of Theories;2002, p409
A definition of the term "phenotype theory" is presented. It is a theory in biology proposed by Russian biochemist Aleksandr Ivanovich Oparin. It holds that primitive cells evolved from coagulated particles in the emulsion of proteins.
- In Retrospect: The Origin of Life. Hyman, Tony; Brangwynne, Cliff // Nature;11/22/2012, Vol. 491 Issue 7425, p524
The article reviews the book "The Origin of Life," by Aleksandr I. Oparin and translated by Sergius Morgulis.
- Alexandr Oparin and the Origin of Life on Earth. Pennazio, Sergio // Biology Forum / Rivista di Biologia;2009, Vol. 102 Issue 1, p95
In the long essay here examined, the Soviet biochemist A. Oparin elaborated and proposed in a coherent and exhaustive way the three main historical phases characterising the origin of life on Earth from an entirely inorganic environment: i) formation of simple organic molecules; ii) appearance...
- Aleksandr Oparin. Aliprandini, Michael // Aleksandr Oparin;2006, p1
Background information on Soviet biochemist Aleksandr Oparin is presented. The author reviews how Oparin is sometimes referred to as the Charles Darwin of the twentieth century after putting forth a highly regarded theory to explain the origins of life. Darwin had provided a theory of the...
- The Forgotten Dispute: A.I. Oparin and H.J. Muller on the Origin of Life. Falk, Raphael; Lazcano, Antonio // History & Philosophy of the Life Sciences;2012, Vol. 34 Issue 3, p373
The debate between A.I. Oparin's heterotrophic proposal of the origin of life and H.J. Muller's suggestion that what may be considered a posteriori the beginning of life, was an autocatalytic, replicative gene, is analyzed. Although both recognized that what was needed was an interacting system...
- 'little bags' theory of evolution Biology. // Dictionary of Theories;2002, p317
A definition of the term "little bags theory of evolution" is presented. It refers to the set of theories, proposing that life evolved from the mixtures of organic chemicals that became trapped in tiny vesicles.
- How Life Began. Ward, Harold // New Republic;12/14/38, Vol. 97 Issue 1254, p181
Reviews two books. "The Origin of Life," by A.I. Oparin and translated by Sergius Morgulis; "Biology and Marxism," by Marcel Prenant and translated by C. Desmond Greaves.
- Fraud, Fallacy, or Both? Rouillard, Meghan // 21st Century Science & Technology;Spring2013, Vol. 26 Issue 1, p42
The article discusses different approaches of the scientist Alexander Oparin towards the biological and evolutionary processes and compares his arguments regarding the evolution of life with the geochemist's Vladimir Ivanovich Vernadsky. According to Oparin the processes related to evolution of...
- biÂ·oÂ·genÂ·eÂ·sis. // American Heritage Student Science Dictionary;2009, p40
A definition of the term "biogenesis" is presented. It refers to a generation of living organisms from other living organisms.