Air passage into the trachea of most insects is controlled by the closing and opening of valves, which operate special openings called

A. ocelli.
B. Malpighian tubules.
C. spiracles.
D. ommatidia.
E. book lungs.


Answer: C

Biology & Microbiology

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The function of the stop- transfer and start-transfer sequence is to make a________ protein

Fill in the blank(s) with the appropriate word(s).

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