Viruses with ________-sense RNA contain the correct message for translation, while viruses with ________-sense RNA must first be converted into a correct message.
A. secondary; primary
B. intermediate; primary
C. negative; positive
D. positive; negative
E. primary; secondary
Answer: D
Biology & Microbiology
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DNA replication involves all of the following steps except
a. separation. b. joining. c. production of single-stranded DNA molecules. d. complementary base pairing. e. polymerization.
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A method of ranking individuals from highest to lowest is
A. imprinting. B. territorial behavior. C. dominance hierarchy. D. ethology.
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Which of the following hormones promotes fruit ripening and dropping of leaves?
A) auxin
B) ethylene
C) gibberellin
D) abscisic acid
Biology & Microbiology