A gene that produces multiple effects is called a(n) ____
a. co-dominant gene
b. X-linked gene
c. epistatic gene
d. pleiotropic gene
e. incompletely dominant gene
ANSWER: d
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The extracellular matrix contains
A. collagen. B. cartilage. C. smooth muscle. D. carbohydrates. E. both collagen and carbohydrates.
If the DNA from a single cell were stretched end to end, how long would it be?
a. 2 nanometers b. 2 micrometers c. 2 millimeters d. 2 centimeters e. 2 meters
Which kind of ground tissue, A, B, or C, would be best described as soft tissue most responsible for storage or photosynthesis?
1.A
2.B
3.C
"Heartburn" is caused by
a. HCl sloshing back into the esophagus. b. pepsin sloshing back into the esophagus. c. pepsinogen sloshing back into the esophagus. d. chymotrypsin sloshing back into the esophagus. e. intrinsic factor sloshing back into the esophagus.