True Producer
There is an ongoing debate on what organisms are the actual true producers of some compounds. About 40% of the biomass of sponges can be from microorganisms. It's not surprising that some compounds may actually be produced by symbiotic microorganisms rather than the host.
Read more about this topic: Marine Pharmacognosy
Famous quotes containing the word true:
“No true believer could be intolerant or a persecutor. If I were a magistrate and the law carried the death penalty against atheists, I would begin by sending to the stake whoever denounced another.”
—Jean-Jacques Rousseau (1712–1778)