It's all so intricate and specific that I think maybe it isn't true; it seems a possibility that someone made it all up in order to stop people questioning deeper things. Why should ordinary people believe that cells have a golgi apparatus, or that a simple piece of bread is made up of some proper complex chemicals and stuff?
People will argue that biological theories are true because they make sense, that they explain life...but plenty of things can be used to explain life. How do we know that chicken contains such tiny things, and instead isn't just made of chicken? Yeah we can look down a microscope, but if an average person looked down a microscope they wouldn't be able to make 'sense' of it. It would just be colours and blobs. They're pressured into believing that what they see represents something more, so maybe microscope experts have been doing it for so long that their brain just makes them see what they're seeing and to keep them sane they tell themselves that what they're looking at isn't *just* chicken?
I'm only considering this theory because I regret taking biology and I want to justify my failure in it :P but maybe I'm right?