Recent research has shown that von Frisch was not completely correct about the difference between the round dance and waggle dance. The new information suggests that in honeybees, the _____
A) waggle dance communicates information about the quality of the food
B) round dance communicates direction as well as distance
C) waggle dance communicates the type of food
D) round dance communicates the time of day the food will be available
E) waggle dance communicates the favored food of the hive
Answer: B
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The calculation for determining sex ratio is
A) averaging the percentage of students who are female in many large school populations. B) the number of males divided by the number of females multiplied by 1,000 for people of a particular age. C) 1,000 minus the number of whichever sex is in excess. D) the number of Y chromosomes in a population divided by one-third the number of X chromosomes.
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A) eluctable B) lytic C) avirulent D) proviral E) virulent
During elongation, a charged t-RNA first enters the ribosomal ________ site and then moves into the ________ site.
A. A; E B. P; A C. P; E D. A; P E. E; A