Life - o 1838 1839 Schleiden and Schwann develop the cell...

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Life's properties have a chemical basis. Living things are composed of inorganic and organic substances. Important inorganic substances - water, minerals, salts Important organic substances - carbohydrates, proteins, lipids, nucleic acids  ex. protein - keratin (hair, feathers, scales) DNA - genetic information Gregor Mendel - Genetics James Watson and Francis Crick - DNA  All organisms are composed of cells.
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Unformatted text preview: o 1838/ 1839 Schleiden and Schwann develop the cell theory • All living things are composed of cells. They may be unicellular, colonial, or multicellular; and they may be prokaryotic or eukaryotic cells. • All organisms demonstrate close connections between form (anatomy) and function (physiology). o ex. dentition - herbivores, omnivores, carnivores o plants - flower form related to pollination...
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