How many bones are in the fully formed human skeleton?
a. 50
b. 56
c. 150
d. 196
e. 206
ANSWER: e
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Enterotoxins affect cells in the:
A) respiratory tract. B) genitourinary tract. C) gastrointestinal tract. D) central nervous system.
The tall and short phenotypes in pea plants are examples of ____
a. polygenic traits b. continuous traits c. multifactorial traits d. discontinuous traits e. gene interaction
The "missing link" between birds and dinosaurs was found when fossils of ________ were unearthed in a German quarry
a. Archaeopteryx b. Phascolarctos cinereus c. Sphenodon d. Saurophaganax
A certain wastewater treatment plant uses aerobic bacteria, anaerobic bacteria, and archaebacteria during secondary treatment of sewage. Unfortunately, during a bad blizzard the aerated tanks froze, killing the microbes inside. What is likely to result?
A. Solid material will not be effectively filtered out. B. Methane production will go down. C. Floc levels will diminish. D. Floc will not be effectively filtered out.