A thyroid gland cell secretes thyroid hormones into the blood. This is an example of ____

a. diffusion
b. endocytosis
c. exocytosis
d. osmosis
e. facilitated diffusion


ANSWER: c

Biology & Microbiology

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The contraction phase of the cardiac cycle is known as ____

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In which disorder is the elastic tissue of the lung destroyed making expiration extremely difficult?

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Resolving power is the ability to see an object in sharp focus.

a. true b. false

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