Active membranes for active transport.
D001693:Biological Transport, Active; D002118:Calcium / Q000378:metabolism; D002462:Cell Membrane; D003090:Coliphages; D004279:DNA, Viral / Q000378:metabolism; D004926:Escherichia coli; D026901:Membrane Transport Proteins / Q000378:metabolism; D008962:Models, Theoretical; D010873:Pinocytosis
D004279:DNA, Viral; D026901:Membrane Transport Proteins; D002118:Calcium