One chemical difference between DNA and RNA is that RNA has the base ___ instead of the base T.
Fill in the blank(s) with the appropriate word(s).
Answer: U
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Among which group did anthropologist James Watson study a modern use of kinship relationships?
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Horticulturalists in Africa often shift between two stable residences during __________
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In the industrial revolution, which factor was primarily responsible for the change in the world's balance of power?
a. the printing press b. advances in economic theory c. advances in military technology d. advances in political philosophy