BIO 3124 Lecture Notes - Lecture 7: Peptidoglycan, Lithotroph, Heterotroph

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30 Jan 2018
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Required macronutrients: s, c, h, n, o, p. Required for synthesis of all organics (carbohydrates, lipids, proteins, nucleic acids) Sources: organic: monosaccharides, disaccharides, polysaccharides, proteins, lipids, nucleic acid, phenols, etc. , inorganic: co2 and co. Diatoms: only organism that doesn"t need carbon to synthesize cell wall (based on si) Required for the synthesis of nucleic acids, phospholipids (required for plasma membrane), atp. Sources: organic and inorganic (inorganic is more common - ex. sodium phosphate) Required for the synthesis of amino acids, nucleic acids, peptidoglycan (required for cell wall) Sources: organic: amino acids, inorganic: nh3, no3, n2. Required for the synthesis of amino acids (cys, met), vitamins (thiamine, biotin) Sources: organic: amino acids (cys, met, inorganic: s, s4. Hydrogen and oxygen: nb oxygen is used for anabolism (building), not for energy (what inhaled oxygen is used for) Required for the synthesis of all organics (carbohydrates, lipids, proteins, nucleic acids) Sources: organic: any organic compound, inorganic: h2 (methanogens only), h2o (mainly autotrophs)

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