In which of the following regions is the smallest percentage of the work force engaged in primary activities?
A) South America
B) North America
C) Africa
D) Asia
E) Caribbean
Answer: B
Biology & Microbiology
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Chemical mutagens that mimic the naturally occurring bases are called
A. nitrogen mustards. B. alkylating agents. C. base analogs. D. nitrous oxide.
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What do you know about phosphorylation? What other information is related to the question?
What will be an ideal response?
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During which phase of meiosis will the
chromosomes appear as a unit of four chromatids?
a. metaphase I b. telophase II c. anaphase II d. prophase I e. prophase II
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In order to increase blood glucose levels, what hormone is secreted by the pancreas to stimulate the liver to convert stored glycogen into glucose?
A) insulin B) gastrin C) glucagon D) cholecystokinin
Biology & Microbiology