Which of the following is not considered to be part of an innate immune response?
a. phagocytic cells e. inflammation
b. fever f. complement activiation
c. histamines g. antigen-presenting cells
d. cytokines h. none of these
G
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________ are infectious proteins that are responsible for several animal diseases, including scrapie and mad cow disease.
Fill in the blank(s) with the appropriate word(s).
Gary has a kidney stone lodged in his ureter. Where will the radiologist find the kidney stone on an x-ray?
A. between the bladder and the outside of the body B. between a kidney and the bladder C. between a Bowman’s capsule and a loop of Henle D. between the end of a nephron and the renal pelvis
The site on a chromosome where microtubules attach during cell division is the
A) chromatid. B) centromere. C) histone. D) telomere. E) locus.
Two species of warblers colonize the same island habitat. Both species nest in similar locations and eat the same type of prey. Eventually, competition will probably cause one species to
A. speciate. B. migrate. C. be eliminated. D. grow exponentially.