Which structure prevents food from traveling down the trachea?

A) Pharynx
B) Bronchus
C) Glottis
D) Epiglottis


Answer: D) Epiglottis

Biology & Microbiology

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Referring to Figure 7.4 if necessary, determine which step in glycolysis is considered the first committed step

A. step 1 B. step 3 C. step 5 D. step 7 E. step 9

Biology & Microbiology

Which of the following is TRUE of probes?

a. they are artificially made b. they are isolated from bacteria c. they are the result of nucleic acid hybridization d. they are isolated from SNPs e. more than one of these is true

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The number of hosts in the life cycle of a tapeworm is 

A. one. B. two. C. three. D. different for different types of tapeworms.

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Which members of a Lophotrochozoan phylum are acoelomate and dorsoventrally flattened, and lack circulatory or respiratory systems?

a. Mollusca b. Annelida c. Rotifera d. Platyhelminthes

Biology & Microbiology