Bombyx mori their lifecycle, and enclose themselves in a cocoon made up of raw silk produced by the salivary glands. The final molt from larva to pupa takes place within the cocoon, which provides a vital layer of protection during the vulnerable, almost motionless pupal state. Many other Lepidoptera produce cocoons, but only a few—the Bombycidae, in particular the genus "Bombyx", and the Saturniidae, in particular the genus "Antheraea"—have been exploited for fabric production. If the animal is allowed to survive after spinning its cocoon and through the pupal phase of its lifecycle, it releases proteolytic enzymes to make a hole in
Bárbara Mori Bárbara Mori Bárbara Mori Ochoa (; born 2 February 1978) is an Uruguayan-born Mexican actress, model, producer and writer who started her career in 1992 as a fashion model at the age of 14, later she became an actress when she co-starred in 1997 on the smash TV-hit "Mirada De Mujer" with TV Azteca; then, she starred in the soap opera Azul Tequila. Her big break came in 2004, with the telenovela "Rubí" (a remake of the 1968 series) by rival network Televisa, in which she played the main character. She also has starred in several self-produced films and music