Which of the following is known as the "Age of the Modern Man?"
a) Mesozoic Era
b) Cenozoic Era
c) Paleozoic Era
d) Cretaceous Era
e) none of the above
Answer: b) Cenozoic Era
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Convert 1.24 m to millimeters, centimeters, and kilometers.
(a) mm: ____________ (b) cm: _____________ (c) km: ______________
cephalization refers to the trend for animals with more complex body types to
A. concentrate nervous tissue in the anterior (head) end of the animal. B. become bilaterally symmetrical. C. develop a brain with clear divisions between "gray" and "white" matter. D. develop a segmental organization to the nervous system. E. concentrate sensory organs in the anterior end of the animal.
Capsicum binds to a calcium channel in the nociceptor’s cell and triggers an influx of calcium into the
cell. What happens if the same receptors are placed in an environment that is unusually warm (such as 48?C) but lacks capsicum?
a. The channels again open, allowing an influx of calcium. b. The channels stay closed. c. The channels open, but much more slowly than they would if capsicum is also present. d. The channels open and are unable to close. e. The channels are unable to open.
Which of the following is a health effect of a diet high in saturated fats?
A) increased risk of infectious disease B) decreased risk of atherosclerosis C) increased risk of heart attack D) decreased risk of stroke