The following are considered bacterial virulence mechanisms EXCEPT
A. Intracellular growth
B. Phagocytosis in which the microbes ingest particulates of host
B. Spallanzani
C. Pasteur
D. Needham
Ans: B. Phagocytosis in which the microbes ingest particulates of host
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With over 20% of the total value, the most important trade commodity in world trade is
A) oil. B) coffee. C) cocoa. D) lumber. E) cotton.
Very small and very large human newborns are less likely to survive than those born at an intermediate weight due to
____.
a. sexual selection b. artificial selection c. disruptive selection d. directional selection e. stabilizing selection
What is occurring in step 11?
a. cytoplasmic division b. fusion c. fertilization d. the first meiotic division e. the second meiotic division
HCl in the stomach acts to
a. neutralize buffers. b. kill harmful bacteria. c. switch off certain digestive enzymes. d. produce trypsin. e. prevent breakdown of protein.