Most procaryotic cells reproduce by:
A) binary fission
B) budding
C) gamete production
D) spore formation
Answer: A
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All prokaryotes are in the domain ________
A) Bacteria B) Prokarya C) Eukarya D) Prokaryotes are in different domains.
Which of the following trends in evolution of the nervous system refers to the formation of a distinct head that has a large concentration of neurons?
A. Cephalization B. Ganglion C. Brain D. Peripheral nervous system E. Central nervous system
In cnidarians, nematocysts are important in
a. food digestion. b. excretion of wastes. c. obtaining oxygen from the water. d. obtaining prey. e. movement.
Assuming normal conditions, what happens after a large meal?
a. Pancreatic alpha cells are stimulated. b. Adipose and muscle cells take up glucose. c. Insulin levels fall. d. Glycogen is converted to glucose. e. The pancreas performs only exocrine functions.