 |  Foundations in Microbiology, 4/e Kathleen Park Talaro,
Pasadena City College
Arthur Talaro
Microbial Metabolism
Supplemental QuizThe following products were measured and expressed in arbitrary units for three different bacteria to identify their metabolic pathways.| PRODUCT | Bacterium A | Bacterium B | Bacterium C | | Fumarate | 2.4 | 0.0 | 46.2 | | Acetate | 56.5 | 1.2 | 0.6 | | Lactate | 79.5 | 14.6 | 11.7 | | Succinate | 10.7 | 2.4 | 112.5 | | Ethanol | 29.8 | 94.9 | 17.9 | | 2,3 Butanediol | 0.3 | 1.7 | 1.6 | | Butyrate | 0.1 | 0.2 | 0.4 | | CO2 | 88.0 | 102.2 | 115.7 |
1. Which specific pathway is predominantly used by Bacterium A?
a. glycolysis
b. Kreb’s cycle
c. ethanol fermentation
d. mixed acid fermentation
e. pentose shunt2. Which specific pathway is predominantly used by Bacterium B?
a. glycolysis
b. Kreb’s cycle
c. ethanol fermentation
d. mixed acid fermentation
e. pentose shunt3. Which specific pathway is predominantly used by Bacterium C?
a. glycolysis
b. Kreb’s cycle
c. ethanol fermentation
d. mixed acid fermentation
e. pentose shunt4. What is the number of ATP molecules obtained by the complete oxidation of one glucose molecule by Bacterium A? B? C?
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2002 McGraw-Hill Higher Education