Exact(20)
The complete set of genes allowing transport and assimilation of these substrates include six ammonium transporters, three high-affinity nitrate transporters, and two urea transporters.
The cell membrane, therefore, has two functions: first, to be a barrier keeping the constituents of the cell in and unwanted substances out and, second, to be a gate allowing transport into the cell of essential nutrients and movement from the cell of waste products.
The presence of the aminoquinoline structure, allowing transport of the compounds to the food vacuole of the parasite, seems to be the major contributor to antimalarial activity.
In presence of an osmotic gradient the oil-phase act as a semi-permeable membrane allowing transport of low salinity water into high-saline water-in-oil emulsions.
It has been suggested that high temperature may increase the permeability of the Ascaris eggs' shell, allowing transport of harmful compounds, as well as increasing the desiccation rate of the eggs (Koné et al. 2010).
Polymeric micelles are promising nanocarriers for pharmaceutical formulations due to their ability to encapsulate hydrophobic substances, overcoming in this way the poor solubility of some drugs and allowing transport through the blood stream to the site of interest [1, 2].
Similar(40)
The proton-coupled monocarboxylate transporters (monocarboxylate transporters 1, 4, 2 and 3) allow transport of the products of cellular metabolism, principally lactate (e.g. L-lactic acid) and pyruvic acid.
MFS proteins are important transporters in bacteria, which allow transport of molecules by an electrochemical ion gradient and typically contain a single subunit with 12 membrane-spanning helixes [ 18].
That allows transport time, but also renders stimulants useless.
The widespread introduction of hydrogen cars has long been a goal of some green campaigners, because eventually they allow transport fuel to be generated from renewable energy.
The source-drain tunneling and the classically allowed transport regime are separated by a close-to linear threshold trace (LTT).
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