You discover an organism that has a nucleus but no mitochondria. This organism could be a(n) ____

a. euglenoid
b. diplomonad
c. kinetoplastid
d. ciliate
e. dinoflagellate


ANSWER: b

Biology & Microbiology

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a. true b. false

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During inhalation, air leaving the nasal cavity passes into the

A) pharynx. B) bronchi. C) bronchioles. D) trachea. E) larynx.

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The carotenoid pigments of some phototrophs interact with ________ to reduce its toxicity

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