In the section "Investigating Life: Birds Do, Bees Do It", what can be concluded about the flower preferences of bumblebees?
A. They prefer pink flowers.
B. They prefer red flowers.
C. They prefer yellow-orange flowers.
D. They prefer M. lewisii no matter what color the flowers are.
E. They prefer M. cardinalis no matter what color the flowers are.
A. They prefer pink flowers.
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Virulent bacteria are always damaging to plants and thus have no beneficial uses
A. true B. false
Choose the incorrect statement regarding chaperone-assisted protein folding in bacteria
A. The DnaJ/DnaK complex requires ATP to facilitate protein folding. B. DnaJ and DnaK will both bind the unfolded protein. C. A single DnaJ/DnaK complex is rarely sufficient for complete protein folding. D. GrpE stimulates binding of ATP to DnaJ. E. DnaJ prevents aggregation of unfolded polypeptides.
A hypothesized "first woman" (Eve) probably lived about ________ years ago.
A) 2,000 B) 20,000 C) 200,000 D) 2,000,000
Genes on which chromosome determines if the sex of a child will be male or female?
A) X B) Y C) 21st D) 5th E) 19th