BIOL 100 Lecture Notes - Lecture 8: Charophyta, Vinblastine, Tracheid
23 May 2016
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Convert carbon to carbohydrates which they make available for themselves, for herbivores and omnivores as well. Rice, coconut, wheat, corn, potatoes, sugarcane come from plants. They secreted acids that helped break down the rocks. The organic material from the dead plants contributes to the soil itself. Medicinal purposes: important because they provide lots of medications, we synthesize a lot of drugs and many of these have active ingredients that were extracted and isolated from plants. People use to use plant extracts to treat certain conditions: pacific yew. A tree that has bark that contains anti-tumor activity in it. Taxol: used to treat ovarian and breast cancer and is effective and it was originally isolated from pacific yew: rosy periwinkle. Provides us with vinblastine and vincristine and are used to treat leukemia patients: cinchona. Tree extract used to originally cure fevers but later started curing malaria.
