Who first observed that neurons communicate at the synapse via chemicals?
A. Golgi
B. Loewi
C. Cajal
D. Broca
Answer: B
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The leading digits are the leaves in a stem and leaf plot
Indicate whether the statement is true or false
Donders's main reason for doing his choice reaction time experiment was to study
A. sensation. B. childhood attachment styles. C. decision making. D. personality development.
In 2007, the percentage of people age 25 and older who completed four or more years of college was:
A) 12. B) 28. C) 39. D) 47.
Which of the following statements about families is TRUE?
a. Most children of gay and lesbian couples are heterosexual. b. In an effort to escape poverty, children of single-parent families have higher achievement in school than their counterparts from two-parent families. c. Single motherhood is highest among Hispanic Americans. d. Compared to other countries, rates of single motherhood are lowest in Northern Europe.