Suppose you found a molecule a, which had a molecular mass of 1500 daltons, was able to penetrate the channels of a gap junction, but molecule b whose molecular mass was only 1200 daltons, was unable to diffuse between the same cells. how might these molecules be different so as to explain these results?

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explanation:

ok

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scientists have discovered that hiv does not cause aids by the virus's direct effect on the host's immune cells, but rather through the cells' lethal influence on one another. researchers from the gladstone institutes have revealed that hiv does not cause aids by the virus's

not only is it colder, it also becomes darker, less salty, and more dense.