the figure above to answer questions 12–14
E 12. A body plan lacking a body cavity is indicated by
a. A.
b. B.
c. C.
d. A and B.
e. none of these.
Answer: a
Biology & Microbiology
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Riboswitches have been observed in
A) prokaryotes. B) eukaryotes. C) fungi. D) algae. E) yeast.
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The largest bone in the body is the
a. femur. b. humerus. c. tibia. d. fibula. e. hipbone.
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The history of life on earth spans nearly
a. 100,000 years. b. 500,000 years. c. 100 million years d. 1 billion years. e. 4 billion years.
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In partial restriction digestion, all available restriction sites will be cut
Indicate whether the statement is true or false
Biology & Microbiology