Which is most analogous to the role of GFP in recombinant DNA technology?
A. Comparing the RFLP patterns of DNA from various suspects to DNA isolated from the scene of a crime using gel electrophoresis.
B. Creating a metagenomic library representing archaea bacteria that thrive in the hot springs of Yellowstone National Park.
C. Using dyes to stain and detect bacteria under light microscopy from the sputum of a patient diagnosed with tuberculosis.
D. Monitoring the spread of multi-drug resistant pathogens on a hospital floor by comparing antibiotic susceptibility patterns.
Answer: C
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Rainfall in the Northern Hemisphere is greater than rainfall in the Southern Hemisphere
Indicate whether the statement is true or false
Semmelweis advocated handwashing as a method of preventing which of the following diseases?
A) cholera B) puerperal fever C) smallpox D) anthrax E) syphilis
Which of the following is FALSE when comparing the mitochondria and chloroplast?
A. Both have similar electron transport protein complexes whose structures have been well conserved. B. Both contain ATP synthase. C. Both generate ATP via a H+ electrochemical gradient. D. The inner-membrane space of the mitochondria is similar to that of the thylakoid space insofar as each has a higher H+ concentration relative to that of the mitochondrial matrix and chloroplast stroma. E. The stroma of chloroplasts is similar to that of the mitochondrial inner-membrane space insofar as each has a higher H+ concentration relative to that of the chloroplast thylakoid lumen and the mitochondrial matrix.
Development of new vaccines has slowed in recent decades. This is due to
A) the ineffectiveness of vaccines against disease. B) the availability of vaccines against nearly all serious diseases. C) the high cost of development. D) the high level of risk with immunization. E) a lack of need with modern medical treatments.