Which is most closely associated with negative feedback?
A. As you continue to turn a faucet handle, more water flows out of it.
B. As the temperature falls in a house, the heater comes on.
C. A child cuts his finger and the blood clotting process begins.
D. As a woman goes into labor, hormones are secreted that stimulate the process.
Answer: B
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If you are interested in observing a relatively simple community structure in a clear water lake, you would do well to choose diving into _____
A) an oligotrophic lake B) a eutrophic lake C) a relatively shallow lake D) a nutrient-rich lake E) a lake with consistently warm temperatures
An ELISA test to detect antibodies to the Rubella virus would include/use all of the following EXCEPT
A. the patient serum specimen. B. microtiter wells coated with rubella antigen. C. enzyme-labeled rabbit antihuman IgG antibodies. D. a chromogenic enzyme substrate. E. There are no exceptions here. Each of these items would be used.
All of the following are monosaccharides except ________.
A. glycogen B. fructose C. deoxyribose D. glucose
The maximum amount of air that can be moved in plus the maximum amount that can be moved out during a single breath is called the __________.
Fill in the blank(s) with the appropriate word(s).