Results 91 to 100 of about 181,914,409 (290)

From junk to function — How weak selection in eukaryotes builds new parts and drives genomic complexity

open access: yesFEBS Letters, EarlyView.
How do genomes gain new functional parts? In eukaryotes, which tend to evolve under weak selection, much of the genome is junk. Palazzo and Qiu borrow the logic of Markov chains to show how non‐functional DNA becomes functional through the appearance of intermediate states, which arise due to epistasis, buffering, and biochemical messiness, allowing ...
Alexander F. Palazzo, Yi Qiu
wiley   +1 more source

The nature of science: The fundamental role of natural history in ecology, evolution, conservation, and education. [PDF]

open access: yesEcol Evol, 2023
Nanglu K   +11 more
europepmc   +1 more source

The natural selection of conservative science [PDF]

open access: yesStudies in History and Philosophy of Science Part A, 2019
Social epistemologists have argued that high risk, high reward science has an important role to play in scientific communities. Recently, though, it has also been argued that various scientific fields seem to be trending towards conservatism -- the increasing production of what Kuhn (1970) would have called `normal science'.
openaire   +6 more sources

L‐aspartate oxidase provides new insights into fumarate reduction in anaerobic darkness in Synechocystis sp. PCC6803

open access: yesFEBS Letters, EarlyView.
Synechocystis strains deficient in succinate dehydrogenase (SDH) secrete more succinate than the WT under dark anaerobic conditions, supporting that SDH then primarily acts as SDH, not as a fumarate reductase. L‐aspartate oxidase (Laspo) from Synechocystis is functional under anaerobic conditions, reducing fumarate to succinate.
Kateryna Kukil   +3 more
wiley   +1 more source

Exploring school students' views of the nature of science [PDF]

open access: yes, 2010
This study aimed to develop, validate, and use a fixed-response test to assess in a quick manner the views of the nature of science (NoS) of groups of secondary school students and to explore the issues involved in developing such tests.
Suzuri-Hernandez, Luis Jiro
core  

Artificial molecular machines and motors—Design and control of nanoscale motion

open access: yesFEBS Letters, EarlyView.
Molecules are constantly moving because of thermal fluctuations, but random motion alone cannot be exploited to perform directional tasks. Artificial molecular machines use chemical, electrical, or light energy to bias this motion. Molecular shuttles, rotary motors, and supramolecular pumps illustrate how nanoscale movement can be controlled and ...
Leonardo Andreoni, Alberto Credi
wiley   +1 more source

The heterodimeric amino acid transporters (HAT) of the SLC7/SLC3 family: A structure−function relationships and relevance to human pathology

open access: yesFEBS Letters, EarlyView.
Heterodimeric amino acid transporters consist of SLC7 and SLC3 family proteins arranged in a conserved structural organization. They regulate nutrient transport across cell membranes, supporting essential cellular functions. These transporters also contribute to xenobiotic/drug uptake and distribution.
Mariafrancesca Scalise   +5 more
wiley   +1 more source

Proceedings of the Arizona-Nevada Academy of Science, Volume 15 (1980)

open access: yes, 1980
Twenty-Fourth Annual Meeting of the Arizona-Nevada Academy of Science and the Fifty-Sixth Annual Meeting Southwestern and Rocky Mountain Division American Association for the Advancement of Science / April 9-12, 1980 / Participating Societies: Arizona ...
Arizona-Nevada Academy of Science
core   +2 more sources

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