Compression fracture is most likely to occur in which of the following bones?
A) vertebra
B) parietal bone
C) rib
D) ethmoid
E) mandible
A) vertebra
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Chimpanzees and humans last shared a common ancestor about ____________ years ago
A. 1 to 2 million B. 6 to 7 million C. 10-11 million D. 6 to 7 billion
Which of the following is true for actin?
A. Portions of the actin molecule bend and move along myosin molecules. B. Actin binds to myosin. C. Actin uses up calcium ions. D. Actin conducts the nerve impulse to the muscle cell.
Explain how becoming a more bipedal organism increased the chances of survival among the genus Homo.
What will be an ideal response?
Why do soybeans, corn, cotton, and canola dominate the GM crop market?
a. They are inexpensive to produce. b. They are the only GMO crops approved since the Flavr Savr tomato. c. They are exempt from U.S. regulations. d. They are ingredients in processed foods, so they are more easily accepted. e. These crops help to feed and clothe the poor.