Comb like scales found on perch and sunfish
A) ctenoid
B) cycloid
C) placoid
D) ganoid
Ans: A) ctenoid
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If you experimentally reduce the concentration of K+ in the extracellular fluid surrounding hair cells in the inner ear, the result would be like which of the following?
A) decreasing the volume of sound reaching the hair cells B) increasing the volume of sound reaching the hair cells C) decreasing the frequency of sound reaching the hair cells D) increasing the frequency of sound reaching the hair cells
A chain of rod-shaped cells would be called a ________.
A. staphylococcus B. Staphylobacillus C. streptobacillus D. palisade E. streptococcus
If a diploid organism has a genome consisting of 4 chromosomes, it can produce ____ different combinations of chromosomes (disregarding crossing over)
a. 4 b. 8 c. 12 d. 16 e. 64
The presence of a negative intrapleural pressure at maximum expiration is responsible for which of the following?
A) functional residual volume B) vital capacity C) functional residual capacity D) tidal volume E) residual volume