Make connections aquaporins exclude passage of hydronium ions (h 3 o +), but some aquaporins allow passage of glycerol, a three-carbon alcohol (see figure 5.9), as well as h 2 o. since h 3 o + is closer in size to water than glycerol is, yet cannot pass through, what might be the basis of this selectivity?. Aquaporins exclude passage of hydronium ions (h+). but recent research has revealed a role for some aquaporins in fat metabolism, in which they allow passage of glycerol, a 3-carbon alcohol as well as h2o. since h+ is much closer in size to water than is glycerol, what do u suppose is the basis of this selectivity?. Aquaporins exclude passage of hydronium ions. recent research on fat metabolism has shown that some aquaporins allow passage of glycerol. since h3o is much closer in size to water than is glycerol, what do you suppose is the basis of selectivity: the hydronium ion is charged, while glycerol is not..
Water is a polar molecule, so it cannot pass very rapidly through the hydrophobic interior of a membrane. aquaporins exclude passage of hydronium ions (h3o+). but recent research has revealed a role for some aquaporins in fat metabolism, in which they allow the passage of glycerol, a 3-carbon alcohol (see figure 5.11), as well as h2o.. Agre also knew that mercury ions often prevent cells from taking up and releasing water, and he showed that water transport through his artificial membrane sacs with the aquaporin protein was prevented in the same way by mercury. this was further evidence that aquaporin might actually be a water channel.. how might a water channel work?. in 2000, together with other research teams, agre. Aquaporins exclude passage of hydronium ions (h3o+), but some aquaporins allow passage of glycerol, a three-carbon alcohol (see figure 5.9), as well as h2o. since h3o+ is closer in size to water than glycerol is, yet cannot pass through, what might be the basis of this selectivity? the hydronium ion is charged, while glycerol is not..
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