Which type of leukocyte attaches to an intruder and produces a specific antibody to attack the intruder's antigen?

Takeishi is Japanese American and finds himself switching back and forth between Japanese culture and American culture, depending on the situation. This illustrates which integrated ethnic identity?

A) Blended biculturalism B) Fusion C) Marginality D) Alternating biculturalism

When Baby Carissa "stumbles" onto a new experience, such as making a mobile hanging over her crib move by kicking her feet, engaging in that activity repeatedly will

A) strengthen Carissa's response and create a new scheme. B) provide Carissa with entertainment until she is better able to explore her world. C) lead to the refinement of reflexive schemes. D) facilitate cognitive equilibrium.