A child falls and cuts her leg. The cut is deep enough that she is bleeding. Which of the following defense mechanisms will participate in eliminating microbes from the wound?
a. ciliary escalator
b. inflammation
c. normal microbiota
d. lysozyme
Ans: b. inflammation
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Use the following graph and information to answer the question below
Flycatcher birds that migrate from Africa to Europe feed their nestlings a diet that is almost exclusively moth caterpillars. The graph below shows the mean dates of arrival, bird hatching, and peak caterpillar season for the years 1980 and 2000. The shift in the peak of caterpillar season is most likely due to _____. A) pesticide use B) earlier migration returns of flycatchers C) an innate change in the biological clock of the caterpillars D) global warming E) acid precipitation in Europe
Molecules
A. are derived from the chemical bonding of two or more atoms. B. differ in their physical properties from the atoms from which they were derived. C. are important to biological processes. D. can form from the covalent bonding of two or more atoms. E. All the choices are correct.
All of the following can enter into anaerobic glycolysis to produce pyruvate EXCEPT __________.
A young woman who was recently hiking in the mountains and discovered a tick on her torso has a fever that came on quite suddenly. She has no rash, but she develops leukopenia. Which of the following diseases is she most likely to have contracted?
A) anaplasmosis B) Lyme disease C) relapsing fever D) Rocky Mountain spotted fever E) scrub typhus