Which order of steps of a firing neuron to be correct? O resting potential, relative refractory period, action potential, absolute refractory
period
O resting potential, action potential, absolute refractory period, relative refractory
period
O relative refractory period, absolute refractory period, action potential, resting
potential
O action potential, relative refractory period, absolute refractory period, resting
potential

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 best describes this behavior? it is beneficial only to the males that do not fertilize eggs. it is beneficial only to the female workers that are not fertilized. it is beneficial to each one of the individual colony members. it is beneficial to the whole species, but not to all of the individual members.

For mendels studies, why was it important that his subjects, pea plants, could reproduce quickly and and produce many offspring?