The appendix is a vestigial structure that extends off of the ____
a. cecum
b. colon
c. duodenum
d. rectum
e. stomach
ANSWER: a
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In the context of vision, what does accommodation mean?
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Which one of the following is TRUE regarding the sodium-potassium pump?
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?Birds are evolved from reptiles, but also differ dramatically. Which features of birds differentiate them from most reptiles?
What will be an ideal response?
West Nile virus has the following characteristics, except
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