This could be explained by an increase in relative Na + over K + resting membrane permeabilities. Fish samples from deeper sites also had larger [K + ] i values compared with shallower sites. This study represents a first approach to perform sophisticated physiological live-cell experiments on ...
We conclude that the electrogenic Na +-K + pump plays an important role in the determination of the resting membrane potential of chick myotubes and that regulation of its level is not entirely explained by the diffusion potential hypothesis....
Define Resting metabolic rate. Resting metabolic rate synonyms, Resting metabolic rate pronunciation, Resting metabolic rate translation, English dictionary definition of Resting metabolic rate. The body’s energy expenditure per unit of time. Dictionary
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Since the membrane is permeable to both, we get an E k value somewhere between the two. And the number is… -70mV (Pause for sustained, raucous applause.) This is the normal resting potential for the average mammalian neuron. So, we can tell from the negative voltage that our neurons ...
Verbal informed consent was obtained from each participant and was recorded by the physician who explained the study procedures. Written informed consent was waived because the data were anonymous and observational. The study was registered in the Chinese Clinical Trial Register with the identification...
All plant cells actively maintain an electrical cell membrane potential difference of − 30 to − 250 mV between the vacuole or cytosol and the external medium (see for example refs 1 and 2). Moreover, the majority of cells in different plant species are electrically active and ...
(4) The results obtained were explained by an electrical circuit model for the membranes of N-18 cells. In this model, an electrical circuit for the membrane part carrying no selective ionic channels, in which changes in the surface potential directly affect the transmembrane potential, is ...
Application of the theory to the scala media of the mammalian cochlea has explained the source of its high positive potential and provided estimates of the Na+ and K+ permeabilities of the membranes of its marginal cells. This analysis provides a theoretically sound alternative to the widely used...
The usual criterion for an ion pump to be electrogenic is not relevant for the whole of the resting potential, and may therefore be misleading. The physical meaning of the Goldman–Hodgkin–Katz formula for the membrane potential as a diffusion potential is also explained and tested with numbers...