The respiratory pacemaker is located in the

a. lungs.
b. cerebral cortex.
c. brain stem.
d. bronchioles.
e. alveoli.


C

Biology & Microbiology

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Isoenzymes are different enzymes that catalyze the same reaction but can be regulated independently of one another.

Answer the following statement true (T) or false (F)

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Birds store food in a modified portion of the lower esophagus called the

A. crop. B. epiglottis. C. gizzard. D. alimentary canal. E. pharynx.

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The animal reservoir for Brucella melitensis is:

a. cattle. b. sheep or goats. c. swine. d. dogs.

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The sense based on air vibrations is

a. taste. b. smell. c. touch. d. sight. e. hearing.

Biology & Microbiology