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chapter_4_outline_spr09 - Chapter 4 Bacterial Culture...

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Chapter 4 Bacterial Culture, Growth, and Development Microbial Nutrition All life requires: _____________________________, to drive all life processes Drives ions into, out of cells Used to _______________________, to move electrons _______________________, to make cell parts ______________________- CHONPS Electron flow requires: Source of electrons ________________________ molecules are electron donors ________________________ molecules are electron donors Ultimate electron acceptor _______________________ molecules ________________________ molecules Source of energy Light Excited molecules are
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Chemicals are _____________________ of chemical o Oxidation = donation of electrons Nutrients Major elements in cell o Ions necessary for o Mg 2+ , Ca 2+ , Fe 2+ , K + ____________________________________________________(organic compounds) necessary for enzyme function Carbon- large amount needed by cells to form ______________________________ (amino acids, fatty acids, sugars, & nitrogenase bases) to carry out cellular functions. ___________________- prokaryotes that can make all cellular structures from _____ ___________________- must obtain carbon from ____________________________. (most prokaryotes) _________________- needed by cells for ____________________________________, & other cell constituents. Nitrogen-fixing prokaryotes- capable of using Most prokaryotes obtain nitrogen from Energy sources:
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_________________________ -energy from oxidation (removing electrons) of _____________________ compounds _________________________ – energy from oxidation of ______________________ compounds. Only in prokaryotes. Advantage? _________________________ - contain pigments that allow them to use _________ ____________________________. Advantage? Carbon sources: _____________________ - carbon source is _______________________ compounds _____________________ - carbon source is _______________________ These terms can be combined to more completely describe an organism.
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