CSB328H1 Lecture Notes - Lecture 6: Ph Indicator, Permease, Metabolic Intermediate
25 Jan 2014
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Mgy377h lisa zhao 2013 | page 1. The nutritional requirements of a bacterium such as e. coli are revealed by the cell"s elemental composition, which consists of c, h, o, n, s, p, l, mg, fe, ca, Mn, & traces of zn, co, cu, & mo. These elements are found in the form of water, inorganic ions, small molecules, & macromolecules which serve either a structural or functional role in the cells. Macronutrients: required in large amounts (not to be confused w nrg source, these are for incorporation into the cell) Major elements, their sources, & fxs in bacterial cells: Function organic compounds or co2 main constituent of cellular material. All living organisms require a source of nrg: phototrophs: organisms that use radiant nrg (light, chemoorganotrophs: organisms that use an organic form of c, lithotrophs: organisms that use inorganic compounds. Mgy377h lisa zhao 2013 | page 2.
