Submitted by examrobotsa on Thu, 01/01/1970 - 05:30 The plant growth regulators are small, simple molecules of diverse chemical composition. They arecarbohydrates, fats and proteins indole compounds, adenine derivatives, carotenoids and terpenesfatty acids, glucose and vitaminsvitamin C, vitamin D and glucosestats: 0,64,232,64,168,48,16