Results 81 to 90 of about 492,852 (312)

Mid-toned and high-toned elements in Yoruba

open access: yesStudies in African Linguistics, 2007
This paper examines three M-toned and three H-toned elements in Yoruba. On the one hand are the mid-toned mora (MT/-l), the mid-toned ni and the mid-toned ti. On the other hand are the H-toned mora (HT/-l), the H-toned nl and the H-toned 6.
Oladiipo Ajiboye
doaj   +1 more source

Dutch infants’ sensitivity to lexical tones under perceptual reorganization : a cross-sectional study

open access: yes, 2011
Previous studies show that infants undergo a perceptual reorganization (PR) in their sensitivity to lexical tones between 6 and 9 months in the first year of life [Mattock & Burnham, 1; Mattock, Molnar, Polka & Burnham, 2].
Kager, René, Liu, Liquan (R18335)
core  

The ubiquitin‐proteasome system and autophagy as guardians of the cellular proteome

open access: yesFEBS Letters, EarlyView.
This Perspective covers the three principles governing the crosstalk between the ubiquitin‐proteasome system and autophagy in cellular proteostasis: (1) a shared ubiquitin code routing substrates via shuttle factors or autophagy receptors; (2) spatial compartmentalization into phase‐separated degradation hubs and organelle‐specific modules (exemplified
Ivan Dikic
wiley   +1 more source

An unexpected alternative viologen electron mediator site in tungsten‐containing formate dehydrogenase

open access: yesFEBS Letters, EarlyView.
An unexpected alternative interaction site for ethyl viologen was identified in formate dehydrogenase 1 from Methylorubrum extorquens. Combined mutagenesis, kinetic analysis, and docking revealed that aromatic residues near an iron–sulfur cluster enable flavin mononucleotide‐independent electron transfer, offering a framework for engineering improved ...
Eleni G. Poloniataki, Yong Hwan Kim
wiley   +1 more source

Am I Still Too Black For You?: Schooling and Secular Change in Skin Tone Effects [PDF]

open access: yes
Analysts disagree about whether the Civil Rights/Black Power eras lessened the influence of skin tone on education. The paper finds that, holding family background constant, the educational disadvantages of dark and very dark blacks persisted between ...
Linda Datcher Loury
core  

Tone-Word Recognition in Mandarin Chinese: Influences of lexical-level representations

open access: yes, 2018
To recognise a spoken word, one has to access the phonological knowledge of this word mentally represented at a lexical (whole-word) level and the knowledge of consonants and vowels encoded at a sublexical level.
Jinxing Yue (12299150)
core   +1 more source

Cell geometry and membrane protein crowding constrain Escherichia coli growth rate, overflow metabolism, respiration, and maintenance energy

open access: yesFEBS Letters, EarlyView.
The physical dimensions and shape of bacterial cells define the surface area available to acquire nutrients and the volume available for synthesizing proteins and DNA. Here, we use computational systems biology to decode the importance of cell geometry as a major determinant of prokaryotic phenotype, including growth rate and metabolic efficiency. This
Ross P. Carlson   +6 more
wiley   +1 more source

Lexical extraprosodicity in Chilungu

open access: yesStudies in African Linguistics, 1995
Nouns in Chilungu, a Bantu language spoken in Zambia, exhibit more tonal distinctions synchronically than exist in many modern Bantu languages. There exists a five-way distinction in nouns with CVCV sterns and a four-way distinction in nouns with ...
Lee S. Bickmore, Michael T. Doyle
doaj   +1 more source

Body-Tone Lesson I

open access: yes, 2015
Body Tone, Synthetic Vitamin E, University of Illinois, Toronto Sports ...
Tom Buckley
core  

Electron transfer between complexes III and IV in S. cerevisiae mitochondrial membranes

open access: yesFEBS Letters, EarlyView.
Mitochondrial oxidative phosphorylation in S. cerevisiae mitoplasts is limited by complex IV catalytic capacity, rather than two‐dimensional cytochrome c diffusion. At physiological cytochrome c : supercomplex ratios at salinity equivalent to that of 20 mm monovalent salt, activity is maximized, indicating that this low ionic strength accurately mimics
Ana Paula Lobez   +2 more
wiley   +1 more source

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