Which trait would be considered a vestigial trait?
A. a human tailbone
B. a dolphin's blowhole
C. a gorilla's opposable thumb
D. a penguin's flippers
Answer: A. a human tailbone
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The most likely identification of kanamycin-sensitive and anaerobic gram-negative bacilli that fluoresce a chartreuse color is:
a. Fusobacterium spp. b. nonpigmented Prevotella. c. B. ureolyticus. d. Porphyromonas spp.
__________ is the only disease to have been
eradicated from causing natural infections. Fill in the blank(s) with the appropriate word(s).
The early report that Stanley Miller had created "Life in a Test Tube" in his experiment to re-create chemical conditions on Earth before life arose was correct.
a. true b. false
What does it mean for an apicomplexan to have a complex life cycle?
a. require two or more hosts b. have many specialized structures c. never age d. begin with a larval stage