Which of the following statements about HIV is false?
A. Some biologists believe that HIV is at least as powerful a selective agent as malaria
B. The CCR5 gene codes for cell-surface receptors and affects a person's susceptibility to HIV
C. A gene that may offer some protection against HIV is found in northern European populations, but rarely in Africa
D. North America has the highest number of young adults with AIDS
D. North America has the highest number of young adults with AIDS
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Which of the following is NOT a characteristic of the first Chinese state?
A. bronze metallurgy B. human sacrifice C. a subsistence economy dominated by rice D. wealthy, royal tombs E. social stratification
Kinesic systems do not evolve and change over time like language
Indicate whether the statement is true or false
________ are the fastest growing ethnic group in the United States.
A. Native Americans B. Hispanics C. Anglo-Americans D. Asian Americans E. African Americans
The number __________ is sacred for the Dine and many other Native Americans
a. two b. three c. four d. seven