Multiple Choice
Which of the following is a toxic end product commonly produced during anaerobic fermentation in muscle cells?
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12. Microbial Metabolism
Fermentation & Anaerobic Respiration
Back12. Microbial Metabolism
Fermentation & Anaerobic Respiration
- Multiple ChoiceA strictly fermentative bacterium produces energy primarily by which of the following processes?22views
- Multiple ChoiceWhich of the following can serve as a final electron acceptor in anaerobic respiration?17views
- Multiple ChoiceIn anaerobic environments, which process do many microorganisms use to generate ATP in the absence of oxygen?19views
- Multiple Choice
Fermentation allows a cell to:
a) Recycle NADH to NAD+ for glycolysis.
b) Use NADH as a terminal electron acceptor.
c) Reduce NAD+ to NADH for glycolysis.
d) Synthesize ATP via ATP synthase.
4587views29rank - Multiple Choice
Which of the following describes a primary function of both lactic acid fermentation and alcohol fermentation?
a) Reduction of NAD+ to NADH.
b) Oxidation of NADH to NAD+.
c) Reduction of FAD to FADH2.
d) Hydrolysis of ATP to ADP.
4811views31rank - Multiple Choice
In which of the steps of aerobic and anaerobic cellular respiration does substrate-level phosphorylation occur?
a) In glycolysis only.
b) In the Krebs cycle only.
c) In the electron transport chain only.
d) In both glycolysis and the Krebs cycle.
e) In both the Krebs cycle and the electron transport chain.
3924views34rank1comments - Multiple Choice
Which of the following statements about NAD+ is true?
a) NAD+ is reduced to NADH during glycolysis, pyruvate oxidation, and the Krebs cycle.
b) NAD+ has more chemical energy than NADH.
c) NAD+ donates high energy electrons to the electron transport chain.
d) In the absence of NAD+, glycolysis can still function.
9969views47rank - Textbook Question
Use the following choices to answer questions 7–10.
a. E. coli growing in glucose broth at 35℃ with O₂ for 5 days
b. E. coli growing in glucose broth at 35℃ without O₂ for 5 days
c. both a and b
d. neither a nor b
Which culture produces the most lactic acid?
553views - Textbook Question
Use the following choices to answer questions 7–10.
a. E. coli growing in glucose broth at 35℃ with O₂ for 5 days
b. E. coli growing in glucose broth at 35℃ without O₂ for 5 days
c. both a and b
d. neither a nor b
Which culture produces the most ATP?
570views - Textbook Question
Use the following choices to answer questions 7–10.
a. E. coli growing in glucose broth at 35℃ with O₂ for 5 days
b. E. coli growing in glucose broth at 35℃ without O₂ for 5 days
c. both a and b
d. neither a nor b
Which culture uses NAD⁺ ?
526views - Textbook Question
Use the following choices to answer questions 7–10.
a. E. coli growing in glucose broth at 35℃ with O₂ for 5 days
b. E. coli growing in glucose broth at 35℃ without O₂ for 5 days
c. both a and b
d. neither a nor b
Which culture uses the most glucose?
600views - Textbook Question
For questions 1–4, answer whether
a. the process takes place under aerobic conditions.
b. the process takes place under anaerobic conditions.
c. the amount of oxygen doesn’t make any difference.
Denitrification
530views - Textbook Question
For questions 1–4, answer whether
a. the process takes place under aerobic conditions.
b. the process takes place under anaerobic conditions.
c. the amount of oxygen doesn’t make any difference.
Nitrogen fixation
561views - Textbook Question
For questions 1–4, answer whether
a. the process takes place under aerobic conditions.
b. the process takes place under anaerobic conditions.
c. the amount of oxygen doesn’t make any difference.
Methane production
558views