In the flower diagram shown above, the item labeled "4" is a(n)
a. stigma.
b. anther.
c. sepal.
d. receptacle.
e. ovule.
B
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A dehydrated runner drinks a lot of water after a race. They rehydrate because
A. the stomach is hypotonic compared to the bloodstream. B. the bloodstream is hypotonic compared to the stomach. C. the stomach and bloodstream are isotonic compared to each other. D. water will diffuse from a low to high concentration. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about osmosis? What other information is related to the question? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The childhood disease that damages the body defenses and is frequently complicated by secondary infections involving, primarily, Gram-positive cocci is
A. German measles. B. measles. C. mumps. D. chickenpox.
Which includes all of the components that make up the Organ of Corti?
A. the basilar membrane only B. the tectorial and basilar membranes C. hair cells and associated neurons only D. hair cells and the tectorial membrane E. hair cells and the basilar and tectorial membranes
A series of markers have the following frequencies. Which would be the most useful for DNA profiling?
A) 1/60 B) 1/5200 C) 1/500 D) 1/40