How do root cell membranes allow osmosis A) There is less salt inside the root than there is outside the root
b) there is equal amounts of salt on the inside and outside of the root
C)A vacuum chamber inside the root sucks water into the root
D)There is more salt inside the root than there is outside the foot

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.