Which of the following is a common ailment characterized by a burning sensation caused by gastric juices backing up into the esophagus?
A) acidosis B) gastritic stress C) porosis D) heartburn
Answer: D
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Many species of birds form large flocks. What dispersion pattern describes this behavior?
A. random B. uniform C. rapid D. social E. clumped
P53 is a ____
a. transcription factor that turns on expression of cell division inhibiting proteins b. protein encoded by an oncogene c. protein that promotes entry into the cell cycle when DNA is undamaged d. hormone used to treat cancer e. growth promoting factor
A big obstacle preventing the protection of coastal wetlands is:
a. lack of laws protecting wetlands. b. lack of interested groups. c. politically-motivated decisions to change the definitions of wetlands. d. lack of scientific understanding about the ecosystems. e. none of the above.
The experiments of Francesco Redi
A) used the scientific method to prove the idea of spontaneous generation. B) disproved the idea of spontaneous generation. C) determined that fly larvae were present in raw meat, and when left on the counter they turned into flies. D) disproved the scientific method. E) disproved that maggots and flies were related.