In a healthy human cochlea, fluid is found in the ____
a. vestibular canal only
b. vestibular and tympanic canals only
c. tympanic canal only
d. vestibular canal, tympanic canal, and cochlear duct
e. cochlear duct only
ANSWER: b
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Indicate whether the statement is true or false.
. Effective treatment of wastewater/sewage is reflected in a(n)
A. lower BOD. B. higher BOD. C. unchanging BOD. D. increase in sulfur.
RNA-dependent RNA polymerases are needed by which group of viruses?
A. Double stranded RNA viruses B. Minus strand RNA Viruses C. Plus strand RNA viruses D. All of these types of RNA viruses require RNA Dependent RNA polymerase.
Fossils of plants found in deeper geologic layers do not show vascular tissues, while fossils in shallower geologic layers include some specimens with and some without vascular tissues. Thus, vascular tissue in plants is considered a ____ character.
a. ancestral b. mosaic c. primitive d. derived e. physiologically essential