Chapter 5 Microbial Metabolism

Chapter 5 Microbial Metabolism
5.1 Multiple-Choice Questions



1) Which of the following compounds is NOT an enzyme? A) dehydrogenase
B) cellulase
C) coenzyme A
D) β-galactosidase
E) sucrase Answer: C Section: 5.2
Bloom's Taxonomy: Understanding
Learning Outcome: 5.3

2) Figure 5.1




Which compound is being reduced in the reaction shown in Figure 5.1? A) isocitric acid and
α-ketoglutaric acid
B) α-ketoglutaric acid and NAD+ C) NAD+
D) NADH
E) NADH and isocitric acid
Answer: C Section: 5.3
Bloom's Taxonomy: Understanding
Learning Outcome: 5.8
Global Outcome: 3
3) Which organism is NOT correctly matched to its energy source? A) photoheterotroph -
light
B) photoautotroph - CO2
C) chemoautotroph - Fe2+
D) chemoheterotroph - glucose
E) chemoautotroph - NH3
Answer: B
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Section: 5.9
Bloom's Taxonomy: Analyzing
ASMcue Outcome: 3.1
Learning Outcome: 5.23
Global Outcome: 2

4) Which of the following statements about anaerobic respiration is FALSE? A) It yields
lower amounts of ATP when compared to aerobic respiration.
B) The complete Krebs cycle is utilized.
C) It involves the reduction of an organic final electron acceptor. D) It generates ATP.
E) It requires cytochromes. Answer: C
Section: 5.4
Bloom's Taxonomy: Understanding
ASMcue Outcome: 3.1
Learning Outcome: 5.15




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