Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective That cannot
permeate through a specifiedsemipermeable membrane
Etymologies
Sorry, no etymologies found.
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Examples
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Some molecules move freely across the membrane, some are impermeant or very slowly permeant, and some move across the membrane depending upon pH.
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Organelles are bounded by impermeant, lipid-rich membranes that ensure the physical and functional separation of vital biochemical processes.
The Nobel Prize in Physiology or Medicine 1999 - Presentation Speech 1999
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When the researchers introduced its associated membrane-impermeant fluorogen, it bound to the FAP-tagged GPCR on the cell surface, emitting a bright fluorescent glow.
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Our cells use a clever and rather lazy scheme: they compensate for the high internal concentration of essential proteins by creating a high external concentration of some other substance, which is impermeant to the cell membrane.
Pharyngula 2009
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Our cells use a clever and rather lazy scheme: they compensate for the high internal concentration of essential proteins by creating a high external concentration of some other substance, which is impermeant to the cell membrane.
Pharyngula 2009
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