Currently the world population growth is approximately 1.2%. If the birthrate in 2009 was 19.86 per 1000, what was the death rate?
A. 78.6
B. 12
C. 7.86
D. 19.86
E. 1.2
Answer: C
Biology & Microbiology
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Four of the five answers listed below are related by a common phase of mitosis. Select the exception
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Without knowing the genetic basis, humans have selectively bred for:
a) increased body size in cattle. b) transgenic tomatoes. c) increased milk production. d) both a) and b). e) both a) and c).
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What is the most likely source of various hangover symptoms?
a. acetate b. acetaldehyde c. ethanol d. alcohol dehydrogenase e. carbon dioxide
Biology & Microbiology