Answer:
Fiber of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons
Explanation:
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).
Hope this helps :D ( I just copied and pasted)
C
ATP has to do with energy so the correct answer would be energy storage.
it toxicates animals when they eat it
