The building blocks of protein are called:

A. Minerals
B. Carbohydrates
C. Lipids
D. Amino acids


Answer: D

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When two or more parts inside an engine are hot enough to melt together, we say a(n) ____ has occurred.

a. engine collapse b. engine seizure c. valve collapse d. intake seizure

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What is the difference in construction between a window air conditioner and a wall air conditioner?

What will be an ideal response?

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A wire rope sling should be discarded if wear exceeds the original rope diameter by _____

a. one-eighth b. one-quarter c. one-third d. one-half

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A counter is required to keep track of information produced by an __________ optical encoder.

A. incremental B. absolute

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