Consider a meadow that 10 by 10 miles it has 100 deer in it a different meadow is 5 by 2 miles and has 50 deer which population is more risk for predation by hunters during the season

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 of these parts of the membrane large moecules pass through it ?

Construct at least two possible hypotheses for the student’s experiment.