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Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a da..
This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..
Plant cells have plastids essential in photosynthesis. They also have an additional layer called cell wall on their cell..
This tutorial describes the role of gibberellin family in plants. Find out the effects of gibberellin on plant growth an..
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..