The antigens have a specific shape that determines with which white blood cell or antibody it will interact with. What other molecule's form determines its function?

In which specialized organ of the plant would these cells most likely be found

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.

Which type of landform forms at the plate boundary as a result of divergent stress