The Social Security fund is maintained by a federal tax on the earnings of employed people. Which group of workers should be encouraged to live temporarily in the country?
A) young married couples B) elderly females
C) young unmarried males D) retired couples
Answer: C
Biology & Microbiology
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A major, genetically determined change in the antigenic character of a pathogen is called antigenic drift.
Answer the following statement true (T) or false (F)
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Carbohydrates that add to our caloric intake but meet no other nutritional needs are
a. refined sugars. b. starches. c. celluloses. d. sugar alcohols. e. artificial sweeteners
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2-amino purine is an alkylating agent
Indicate whether the statement is true or false
Biology & Microbiology
Eukaryotes have higher gene densities than prokaryotes.
a. true b. false
Biology & Microbiology