Which one of the following structures is used to sense rotational movement of the head and body?
A) vestibule
B) stapes
C) semicircular canals
D) ampulla and cupula
E) oval window
C
Biology & Microbiology
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Virulence determinants of H. pylori include:
a. proteases. b. urease enzyme. c. hemolysins. d. exotoxins.
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You are a botanist living in the desert. A friend asks you which plant would be most practical to plant in
their yard. What is your answer?
a. Any plant, as long as it is well-watered b. Only C3 plants c. Only C4 plants d. Only CAM plants e. C3 or C4 plants, but not CAM plants
Biology & Microbiology
In which group did lungs first evolve?
a. cartilagineous fish b. ray finned fish c. lampreys d. coelacanths e. lungfish
Biology & Microbiology
Which of these organisms helped biologists determine the contents of phloem?
A) Aphids B) Ants C) Termites D) Grasshoppers E) Leafhoppers
Biology & Microbiology