After several generations of selectively breeding mice in a laboratory, Ted Garland and his colleagues established populations of mice that voluntarily chose to run great distances on exercise wheels
The process of establishing these populations of mice is termed ________. A) natural selection
B) artificial selection
C) population selection
D) experimental selection
E) random selection
B
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Organisms are composed of molecules, which are collections of smaller units, termed:
A. monomers. B. atoms. C. electrons. D. polymers. E. ions.
In the figure above, how many plants would
have the genotype AaBb?
a. 1 b. 3 c. 5 d. 6 e. 9
When one muscle group is stimulated, no nervous signals are sent to the opposing group. This is the
result of a. reciprocal innervation. b. lack of innervation. c. hyperreflexia. d. compensation. e. depolarization.
In which of the following structures does translation occur?
A. Vesicles B. Golgi apparatus C. Endoplasmic reticulum D. Ribosomes