Table 6.3 Generation Time Escherichia coli Pseudomonas Lactobacillus Nitrobacter Medium aeruginosa NaCl, NO3-, MgSO4 0 0 0 80 Glucose 100 0 0 0 Glucose, NaCl, PO4³- 56 200 0 0 Glucose, NaCl, PO4³-, MgSO4 43 100 0 0 Glucose, NaCl, PO4³-, MgSO4 8 amino acids 28 40 0 0 Glucose, NaCl, PO4³-, MgSO4, 19 amino acids 25 25 80 0 Bacterial generation times for four different bacterial species were calculated in the media listed in Table 6.3. All media were prepared with tap 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?

Table 6.3 Generation Time Escherichia coli Pseudomonas Lactobacillus Nitrobacter Medium aeruginosa NaCl, NO3-, MgSO4 0 0 0 80 Glucose 100 0 0 0 Glucose, NaCl, PO4³- 56 200 0 0 Glucose, NaCl, PO4³-, MgSO4 43 100 0 0 Glucose, NaCl, PO4³-, MgSO4 8 amino acids 28 40 0 0 Glucose, NaCl, PO4³-, MgSO4, 19 amino acids 25 25 80 0 Bacterial generation times for four different bacterial species were calculated in the media listed in Table 6.3. All media were prepared with tap 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?

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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coli, mak you believe will grow faster (37° C or 30° C temperature) and why. Results• Time Absorbance 30 °C Absorbance 37 °C Generation time Generation time t=0 min at 30 °C at 37 °C 0.05 0.05 t= 20 min 0.06 0.07 t= 40 min %3D 0.1 0.16 0.28 0.21 0.44 t = 60 min t= 80 min %3D 0.95 Complete the graph. Make sure this figure has a description and all other labels are included. Once you have completed graphing the points, draw a best-fit line for each of your data sets by eye Questions: 1. Which data point can be the first to be considered in log phase for each line? (It will be the first point that seems to be described by your best-fit line.) For the 30° C culture the -minute point is the first one likely to be in log phase. For the 37° C culture the -minute point is the first one likely to be in log phase. Incubation Temperatures - Growth Bio 40- Fall 2019 Page 6
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