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← HistoryWhich materials failure increases during sericulture if silkworms overheat?
A)Silk fibroin protein denatures✓
B)Mulberry leaf nutrients deplete
C)Cocoon strands become brittle
D)Exoskeleton chitin hardens abnormally
💡 Explanation
Silk fibroin denatures because elevated temperature disrupts hydrogen bonds responsible for its coiled structure; therefore its breaking strength substantially decreases, rather than resulting in issues like brittleness that affect secondary attributes.
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