Results 201 to 210 of about 49,374 (223)

Concentration of Specific Amino Acids at the Catalytic/Active Centers of Highly-Conserved “Housekeeping” Enzymes of Central Metabolism in Archaea, Bacteria and Eukaryota: Is There a Widely Conserved Chemical Signal of Prebiotic Assembly?

Origins of Life and Evolution of Biospheres, 2010
J. Dennis Pollack, Xueliang Pan, Dennis K. Pearl   +2 more
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Alternative pathway (cyanobacteria to eukaryota)

1994
It is quite evident from the fossil record that prokaryotic cells were the first cell type evolved. After a long interval of nearly two billion years eukaryotic cells appeared. There is little doubt that this cell type arose from the bacterial cell. How this occurred has been the subject of much speculation.
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Eukaryotes (Eukaryota)

2009
Abstract Resolving the tree of life for eukaryotes is an important challenge for biologists. 7is challenge has largely been taken on by molecular evolutionists because of the increasing availability and ability of genome data to resolve ancient relationships, combined with the lack of an extensive fossil record from this period in ...
Debashish Bhattacharya, Hwan Su Yoon, S Blair Hedgesand, Jeremiah D Hackett   +3 more
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Evoluce skupiny Retortamonadida (Eukaryota: Excavata: Fornicata)

2010
Retortamonads (Retortamonadida; genera Chilomastix and Retortamonas) are a small group of protists comprising intestinal commensals of both vertebrates and invertebrates and one free-living species of the genus Chilomastix. Molecular phylogenetic studies showed that retortamonads are closely related to diplomonads, Carpediemonas, Dysnectes ...
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Origin of eukaryota from Cyanobacterium: membrane evolution theory

1994
It has been currently estimated that the life generated about four billion years ago in the primitive sea as a result of the chemical evolution. There is no doubt that, at that time, the protoorganism was a prokaryotic monad, formed from a certain aggregate of primitive proteins, nucleic acids, and other macromolecules and wrapped with (phospho)lipid ...
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Eukaryota

2021
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Superchromosomal organization and its cytogenetic consequences in the Eukaryota

Genetica, 1978
A. Brøgger, B. Chiarelli
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Dynamics of Haptophytes (Eukaryota, Hacrobia) Revealed via Short-Term Sampling in the South China Sea

Journal of Ocean University of China
Haoyue Zhang, Ran Li, Bowei Gu, Hejun Kong, Jie Xu, Rui Zhang, Xiaolin Li, Nianzhi Jiao, Dapeng Xu   +8 more
semanticscholar   +1 more source

Stress-protective and cross action of the extracellular reactivating factor of the microorganisms of the domains Bacteria, Archaea, and Eukaryota

Microbiology, 2013
L. I. Vorob’eva, E. Y. Khodzhaev, T. Novikova, A. Mulyukin, E. Chudinova, A. N. Kozlova, G. El’-Registan   +6 more
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Eukaryota

2020
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