Upon returning to its hive, a European honeybee communicates to other worker bees the presence of a nearby food source it has discovered by _____
A) vibrating its wings at varying frequencies
B) performing a round dance
C) performing a waggle dance
D) visual cues
E) All of the listed responses are correct.
Answer: B
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Which of the following is not a characteristic of fungi?
a. all are eukaryotic b. all break down food internally c. most are multi-celled d. some form mushroom fruiting bodies e. some are single celled
The sum total of an individual's direct and indirect fitness is known as ________. [two words]
Fill in the blank(s) with correct word
To stand upright for a long period of time without moving, the muscles of the back must produce which type of
contraction? a. isotonic b. isometric c. isocentric d. eccentric e. concentric
You have evidence that a gene, VTE4, of known sequence and well-understood transcriptional regulation, is available from another lab
The product of this gene enables seeds to produce a significantly increased amount of vitamin E from a substrate already produced in Brassica napus, the plant that gives us canola oil. To produce canola oil with increased vitamin E, how would you proceed? A) Select Brassica plants with the highest titer of the vitamin, isolate the genes responsible, and cause these genes to duplicate. B) Use a yeast system to engineer yeasts that produce the vitamin, and get manufacturers to add this to the canola oil during bottling. C) Introduce the gene and necessary cis elements into Brassica, along with a reporter gene, then measure the vitamin E produced. D) Clone VTE4 in A. tumefaciens and use these bacteria to produce transgenic Brassica. E) Introduce VTE4 into tomato plants or another food that humans eat more than Brassica.