. . . . . . "0"^^ . . "0"^^ . . "13570236-n"^^ . "113570236"^^ . . . "transport"@en-us . "an exchange of molecules (and their kinetic energy and momentum) across the boundary between adjacent layers of a fluid or across cell membranes"@en-us . "109737420"@en-us . "112805493"@en-us . "an exchange of molecules (and their kinetic energy and momentum) across the boundary between adjacent layers of a fluid or across cell membranes"@en-us . "transport"^^ . . .