silk fibre is chemically a protein
Answers
Answer:
Silk is a natural protein fiber, some forms of which can be woven into textiles. The protein fiber of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons.
Explanation:
Silk is a protein fiber made by silk worms and is the only natural fiber that is a filament fiber. Originally, it was believed that an ancient Chinese princess was the first to discover the process for manufacturing silk fabric from the filament fiber produced by silk worms.
Fibroin (about 80%) and sericin (about) 20% are the two proteins in the silk thread that are secreted by the silk glands.
7 Silk fiber. Silk fiber is a natural protein fiber. It could come from a moth or spider. Most of the commercial silk fiber was made by Bombyx mori moth silk.
We know that silkworms produce silk. Silk is a natural protein fibre which can be woven into textiles. Also, the protein fibre of silk is made up of fibroin and is produced from silkworm's larvae to form cocoons. The protein fibre secreted by silkworm gets hardened on exposure to the atmosphere and becomes silk fibre.
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Answer:
silk is a naturall fibre.