Which vein collects blood from the head, arms and chest?
a. inferior vena cava
b. left pulmonary vein
c. right pulmonary vein
d. left pulmonary vein
e. superior vena cava
E
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In what Eons was there very little appearance of new forms of life, how long did they last, and why
was there so little diversification?
What will be an ideal response?How many codons exist in the genetic code?
a. 3
b. 9 c. 16 d. 64 e. 128
Removal of the hydroxyl functional group would disrupt the structure of _________.
Fill in the blank(s) with the appropriate word(s)
Which disorders can be caused by inbreeding?
a) albinism—a genetic disorder that causes the absence of skin pigment b) bone fracture—an injury to the bones from a fall or an accident c) flu—a disease caused by a virus d) hemophilia—a genetic disorder that prevents blood from clotting e) vertigo—a sensation of things spinning