Your daughter probably has strep throat caused by Streptococcus pyogenes. The traditional method of diagnosis involves culturing on blood agar, but this process is time consuming. Your doctor wants a more rapid identification of the infectious agent using a specimen directly obtained from the patient's throat. He would prefer to use a test that can be read in his office without having to culture and isolate the organism. He would likely choose the
A. immunochromatographic test.
B. Western Blot test.
C. direct fluorescence test.
D. pulse-field gel electrophoresis.
Answer: A
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a. Breaching b. Tail slapping c. Spy hopping d. Head lunging
The processes of chemical cycling would be studied mainly by ________
A) an environmentalist B) a community ecologist C) a population ecologist D) an ecosystem ecologist
The glottis is ____ when swallowing and ____ when speaking.
A. closed; open B. open; closed C. rigid; relaxed D. relaxed; rigid E. vibrating; closed
Which of the following statements concerning the role of redox reactions in photosynthesis and cellular respiration is true?
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