Internally fertilized organisms can either be born alive, or emerge from what structures?
A. eggs
B. capsules
C. ducts
D. follicles
Answer: A
Biology & Microbiology
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The most common etiologic agent of septic arthritis in adults younger than 30 years of age is:
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PTH is necessary to produce calcitriol (activated vitamin D), which is necessary for the movement of calcium through cells. In this case, how would you characterize PTH?
A) submissive B) permissive C) synergistic D) antagonistic
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According to the modern classification scheme, which animal would be a spider's closest relative?
A. A snail B. A tapeworm C. An earthworm D. A squid E. A roundworm
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