About an hour or so after a sperm enters the ovum, these two cells suddenly fuse, becoming one cell called __________.
A. a chromosome
B. DNA
C. a zygote
D. a gene
Answer: C
Psychology
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Homeostasis is to ____ as allostasis is to ____.
A. constant; variable B. variable; constant C. constant; decreasing D. variable; increasing
Psychology
According to Freud, the ____ contains all instincts and is the driving force of personality.?
a. ?id b. ?ego c. ?superego d. ?preconscious
Psychology
In grade school children, the correlation between conformity to parents and conformity to peers is:
a. negative b. positive c. nonsignificant d. highly positive
Psychology
An experiment in which researchers measure the results of events that occur naturally in the real world is:
A) a naturalistic observation B) a natural experiment C) a meta-analysis D) a laboratory analogue experiment
Psychology