Jim Bidlack - BIO 1304GENERAL BOTANY Lecture 5 - Inorganic & organic chemistryI.Life and chemistryA.What elements are important in plants?1.C7.S13.Cu2.H8.Ca14.Zn3.O9.Fe15.Cl4.P10.Mg16.Mo5.K11.B6.N12.MnC HOPKNS CaFe Mg B Mn CuZn Cl MoC, H, O, N, P, S - 99% of (many) plant's weightC, H, & O - 96% of Human weightWater (H2O) - 75 - 85% of cell weightB.What makes elements important?1.Metabolisma)Anabolism (build) - photosynthesisb)Catabolism (break down) - respiration2.Heredity and evolution3.Growth and development4.Growth regulation5.Physiological ecologyII.General chemistryA.Composition of elements1.Atoms - smallest portion of an element
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