The substrate(s) in the Bile Esculin Agar is (are):
A. Bile salts only
B. Ferric citrate
C. Esculin
D. Esculetin
E. Bile salts & esculin
Ans: C. Esculin
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The ________ is responsible for the monitoring of infectious disease and the implementation of prevention and control strategies world-wide.
What will be an ideal response?
How did the researchers in Investigating Life 22.5 conduct their experiment studying "ant plants"?
A. They picked other insects off of some leaves. B. They removed the nectar from some leaves. C. They used drops of glue to exclude tramp ants from some leaves. D. They sprayed some leaves with insecticide. E. They picked the tramp ants off of some leaves.
In the figure, which represents data from the "ant plant" experiments in Investigating Life 22.5, what was the dependent variable?
A. the amount of fruit produced
B. the number of leaflets that were damaged
C. the presence of tramp ants
D. the presence of other ants
E. the amount of nectar consumed
Assume that a cross is made between tall and dwarf tobacco plants
The F1 generation showed intermediate height, whereas the F2 generation showed a distribution of height ranging from tall to dwarf, like the original parents, and many heights between the extremes. These data are consistent with which one of the following modes of inheritance? A) multiple-factor inheritance B) hemizygosity C) codominance D) alternation of generations E) incomplete dominance