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What is silk fiber is made up of?
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What is silk fiber is made up of?
fibroin
The protein fiber of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons. The best-known silk is obtained from the cocoons of the larvae of the mulberry silkworm Bombyx mori reared in captivity (sericulture).
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What is silk fiber is made up of?
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