Which organisms have been modified to produce insulin, blood clotting factor viii, and human growth hormone?

Different types of bacteria have been modified to produce insulin, blood clotting factor viii, and human growth hormone. This is because bacteria, being single celled, are a very simple organism, and as a result are very susceptible to genetic modification. It is easier to figure out how they work than other organisms.

I'm sorry to hear that. i will try to answer your other questions if it is within my ability. : )answers: my favourite colour is black.my favourite food is pasta.my favourite school subject is english, but i do also like lunch time.my least favourite subject is history as well as geography. i have currently garnered a quite equal hatred for both of the subjects.what about you? well, you for the points. : )