Prepositions, conjunctions, helping verbs, and so forth are known as the ____ of grammatical forms
a. fluent class
b. fixed class
c. open class
d. closed class
d
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The blood disorder hemophilia is an example of a disease that is produced by X-linked genes.
Answer the following statement true (T) or false (F)
The most effective treatment of a child's phobia of riding in a car would involve which final step?
a. playing with toy cars b. watching tapes of other children riding in cars c. imagining riding in a car d. actually riding in a car
Social psychologists must often balance the goal of discovering important information about human social behavior with the ethical issue of
a. random assignment to condition. b. random selection from a population. c. concern for the welfare of participants. d. using replication and meta-analysis.
A key function of apoptosis in neural cell development is to