What characteristic is common to all living things?
a. All living things eat.
b. All living things are producers.
c. All living things sense and respond to change.
d. All living things have a nucleus.
e. All living things are consumers.
ANSWER: c
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All skeletal muscle fibers are _____
A) smooth and under involuntary control B) smooth and operate independently of other skeletal muscle fibers C) striated and under voluntary control D) smooth and under voluntary control E) striated and electrically coupled to neighboring fibers
Gymnosperms, such as spruces, often dominate high-latitude boreal forests because ________
A. they are less susceptible to freezinginduced cavitation B. they have lower H2O requirements C. they have lower H2O transport capacity D. they generate large tensile forces
An organism was isolated after growing 26 days. Colonial morphologic appearance revealed heaped, wrinkled, moist, and yeastlike colonies. As the culture aged, colonies became covered with short aerial mycelium that turned from tan to brown. This organism is most likely:
a. Blastomyces dermatitidis. b. Coccidioides immitis. c. Histoplasma capsulatum. d. P. brasiliensis.
The products of fat digestion in the small intestine are reassembled into triglycerides by the intestinal epithelium, before combining them with proteins to form ___________.
A. chylomicrons B. chyme C. vesicles D. bile E. cholesterol