Question

silk fibears are made of​

Answer 1

Answer:

Silk fibre is made of a protein. The soft looking silk yarn is as strong as a comparable thread of steel. Silk fibres are converted into silk yarn which is used for making silk cloth.

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Answer 2

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).