At conception, the genetic material of the mother's ovum and the genetic material of the father's sperm unite, creating a new cell called a(n)
a. embryo.
b. gamete.
c. juvenile cell.
d. zygote.
d
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The posttraumatic stress disorder (PTSD) prevalence rates of U.S. veterans returning home from the war in Vietnam was directly related to their separation from family. a. high rates of drug addiction. b. youth and inexperience
c. amount of combat exposure. d. separation from family.
Programs are called child-centered because they stress children's
gross motor skills. fine motor skills. development and growth. language development.
Carl Jung, Alfred Adler, and Karen Horney were students of Sigmund Freud who eventually separated from Freud's teachings and developed their own theories. In doing so, they became known as __________
a) neo-Freudians. b) renegades. c) psychiatrists. d) psychologists.
Manyexperts believe that schizophrenia involves elevated levels ofthe brain chemical
A) dopamine B) protein P C) amyloid protein D) GABA