An average time range necessary for completing phase testing of drugs during clinical trials is approximately ________
A) 6 months to 1 year
B) 1 to 3 years
C) 2 to 4 years
D) 5 to 8 years
E) 8 to 12 years
E
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Organisms such as Streptococcus pyogenes and Staphylococcus aureus that produce leukocidins are called ________ pathogens
A) pyogenic B) radical C) enterotoxigenic D) hemorrhagic
A type of active transport is
A. diffusion B. membrane assisted transport C. osmosis D. facilitated transport (movement from high to low concentration requiring the assistance of a protein).
Which of the following can cross the plasma membrane because of its selective permeability?
A. large, nonpolar molecules B. glycoproteins C. gases such as oxygen and carbon dioxide D. large, polar molecules E. ions
The use of microorganisms to clean a polluted environment is
A. bioremediation. B. antagonism. C. cooperation. D. genetic engineering. E. waste treatment.