A coelom is found in ____

a. flatworms
b. earthworms
c. humans
d. earthworms and flatworms
e. humans and earthworms


ANSWER: e

Biology & Microbiology

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The citric acid cycle contains how many steps?

a. 2 b. 4 c. 6 d. 8

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Who developed the two-part naming system

scientists use today to classify newly found organisms?

a. Charles Darwin b. Carolus Linnaeus c. Aristotle d. Alexander von Humboldt e. Ernst Mayer

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Gene transcription is induced by

a. A. b. B. c. C. d. D. e. none of these

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The E. coli that normally live in the human large intestines and produce vitamin K that the body uses would be best termed a ________ relationship.

A. saprobic B. parasitic C. commensal D. mutualistic

Biology & Microbiology