When extracting DNA, it is crucial to use an enzyme primarily to d) protect DNA from degrading. The extraction process involves breaking down cellular structures and separating DNA from proteins and other components. Enzymes, such as proteases, help to degrade proteins that bind to the DNA, allowing for a purer extraction. Additionally, enzymes can aid in unwinding the DNA from its tightly packed form, but their main role during extraction is to prevent DNA from being broken down or damaged.
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