All EXCEPT which of the following is a possible
bottleneck for a population?
a. contagious disease
b. widespread pesticide application
c. habitat loss
d. protective endangered species legislation
e. persistent drought
Answer: d
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Deviations from __________ indicate that a population is evolving. Fill in the blank(s) with the appropriate word(s)
Which feature unites paramecia, malarial parasites, and dinoflagellates into a single group?
A. A parasitic life style B. The presence of a nucleus C. The possession of alveoli D. The type of ribosomes E. The use of cilia
Which one of the following is least likely to affect the chromatin state in the vicinity of a gene?
A. HATs B. HMG proteins C. SWI/SNF complexes D. Mediator protein
During the light reaction water is oxidized to form oxygen. This process
A. yields low-energy electrons. B. yields high-energy electrons. C. is needed to replace the electron lost by P680 during the light reaction. D. yields low-energy electrons and is needed to replace the electron lost by P680 during the light reaction. E. yields high-energy electrons and is needed to replace the electron lost by P680 during the light reaction.