A person who inherits an extra X chromosome will have
A. Klinefelter syndrome.
B. Turner syndrome.
C. Down syndrome.
D. Polyploid syndrome.
E. Edward syndrome.
A. Klinefelter syndrome.
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Soldiers or refuges in crowded unsanitary conditions are MOST susceptible to which rickettsial disease?
A) Lyme disease B) typhus C) Q fever D) Rocky Mountain spotted fever
Which of the following represent limitations on a cheetah's ability to be an effective predator? (Select all correct choices.)
A. They must rest for long periods between sprints. B. They cannot run when the temperature reaches around 105oF. C. They cannot successfully prey on goats, which can release excess heat as they run. D. They have a top speed significantly lower than that of most of their desired prey.
The area labeled "A" is
a. a nucleus. b. chromatin. c. endoplasmic reticulum. d. a vacuole. e. a nucleolus
Which drug is in the same category as nicotine?
A. cocaine B. alcohol C. marijuana D. heroin E. none of these