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Set 3: Words in Context (Advanced)

Explanation

Answer: C

PASSAGE

The mutation _____ the protein's structural integrity, impairing its biological function.

Which choice completes the text with the most logical and precise word or phrase?

A. preserves
B. replicates
C. compromises✓ Correct
D. enhances

Detailed Answer Explanation

Choice C is the best answer. "Compromises" is correct because it means "weakens or damages." The context clues in the passage indicate that this meaning best completes the sentence logically.

Why others are wrong: A ("Preserves" means "maintains," which doesn't fit the context.), B ("Replicates" means "copies," which doesn't fit the context.), D ("Enhances" means "improves," which doesn't fit the context.).

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