Defensive proteins are manufactured by the system. defensive proteins are manufactured by the system. digestive cardiovascular immune nervous integumentary

Defensive proteins are manufactured by the immune system.

The immune system is the defense mechanism of the body. Plasma B cells of the immune system synthesize defensive proteins which are also called as antibodies.  

These proteins bind to antigens which are present on foreign particles like virus and bacteria. After binding they send a signal to other parts of the immune system which helps in the clearing of pathogens. In this way defensive proteins help in protection of body against diseases.

answer:

sequence 1- deletion

                  2- duplication

                  3- insertion

                  4- substitute

                  5- inversion