Question

A silk fiber is made from?

Answer 1

Answer:

Fiber of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons

Explanation:

Answer 2

Answer:

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).

Explanation:

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