What happens after a T cell has been activated for a specific antigen? Both produces cytokines and undergoes clonal expansion What can attack antigen-bearing cells, cancer cells, and virus infected cells?
Motivation definition 3 is symonymous with motive; a motive is something that motivates, but motivation is a broader word since not everything that motivates is a motive. A motive is defined as a relatively stable disposition to strive for rather general kinds of goal objects. ---.
These nouns denote what brings about or is associated with an effect or result. A cause is an agent or condition that permits the occurrence of an effect or leads to a result: He is not only dull in himself, but the cause of dullness in others (Samuel Foote). Reason refers to what explains the occurrence or nature of an effect: There was no obvious reason for the accident.