Which growth condition shown above has the largest doubling time? How would you explain the observed growth data based on information about metabolism and oxygen requirements? Definitely take into consideration the relative growth of all three growth conditions. Surprisingly, cultures grown in anerobic conditions are non-motile, whereas cultures grown in normal O2 saturation have several peritrichous flagella and swim motility. Explain briefly the mechanism of flagellar motility in terms of energy source for flagellar motility and why it may be lower in anaerobic conditions for L. monocytogenes.

Principles Of Pharmacology Med Assist
6th Edition
ISBN:9781337512442
Author:RICE
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Chapter1: Numerals And Fractions
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Which growth condition shown above has the largest doubling time?

How would you explain the observed growth data based on information about metabolism and oxygen requirements? Definitely take into consideration the relative growth of all three growth conditions.

Surprisingly, cultures grown in anerobic conditions are non-motile, whereas cultures grown in normal O2 saturation have several peritrichous flagella and swim motility. Explain briefly the mechanism of flagellar motility in terms of energy source for flagellar motility and why it may be lower in anaerobic conditions for L. monocytogenes.

3
2.5
Anaerobic
1.5
20% 02 (normal air)
25% 02
(supplemented with
additional oxygen)
0.5
2
4
6.
8
10
14
Time (hours)
OD (Absorbance at 600nm)
Transcribed Image Text:3 2.5 Anaerobic 1.5 20% 02 (normal air) 25% 02 (supplemented with additional oxygen) 0.5 2 4 6. 8 10 14 Time (hours) OD (Absorbance at 600nm)
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