Export of flagellin subunits is mediated by
A. the type I secretion pathway.
B. an apparatus in the basal body of the flagellum that is related to the type II secretion pathway.
C. an apparatus in the basal body of the flagellum that is related to the type III secretion pathway.
D. None of the choices are correct.
Answer: C
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What percentage of the urea filtered by the kidneys is excreted in the urine?
a. 10 percent b. 20 percent c. 50 percent d. 75 percent e. 100 percent
About how many years after quitting smoking does it take for the risk of heart disease and death to return to the levels similar to those seen in people who never smoked?
A) 1 B) 5 C) 10 D) 15
Why are modern light microscopes better than the ones Leeuwenhoek used?
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The condition known as microbial antagonism may be defined as
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