Table 63 Bacterial Generation Times for Four Different Bacterial Species Were Calculated

Essay

Table 6.3
$\begin{array}{|l|l|c|c|c|} \hline&& {\text { Generation Time }} \\\hline \text { Medium } & \text { Escherichia coli } & \begin{array}{c}\text { Pseudomonas } \\\text { aeruginosa }\end{array} & \text { Lactobacillus } & \text { Nitrobacter } \\\hline \mathrm{NaCl}, \mathrm{NO}_{3}-, \mathrm{MgSO}_{4} & 0 & 0 & 0 & 80 \\\hline \text { Glucose } & 100 & 0 & 0 & 0 \\\hline \text { Glucose, } \mathrm{NaCl}, \mathrm{PO}_{4}{ }^{3-} & 56 & 200 & 0 & 0 \\\hline \text { Glucose, } \mathrm{NaCl}, \mathrm{PO}_{4}{ }^{3-}, \mathrm{MgSO}_{4} & 43 & 100 & 0 & 0 \\\hline \text { Glucose, } \mathrm{NaCl}, \mathrm{PO}_{4}{ }^{3-}, \mathrm{MgSO}_{4}, & 28 & 40 & 0 & 0 \\8 \text { amino acids }\\\hline \begin{array}{l}\text { Glucose, } \mathrm{NaCl}_{1} \mathrm{PO}_{4}{ }^{3-}, \mathrm{MgSO}_{4} \\19 \text { amino adids }\end{array} & 25 & 25 & 80 & 0 \\\hline\end{array}$ Bacterial generation times for four different bacterial species were calculated in the media listed in Table 6.3. All media were prepared with pure distilled water and incubated aerobically in the light. Compare and contrast the growth requirements of the four bacteria listed above. Which of the media, if any, are chemically defined?