Multiple Choice
Anaerobic exercise that causes muscle fatigue produces which of the following along with ATP?
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3. Energy & Cell Processes
Fermentation & Anaerobic Respiration
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.
Verified step by step guidance1
Understand the context of fermentation: Fermentation is a metabolic process that occurs in the absence of oxygen, allowing cells to regenerate NAD+ from NADH, which is crucial for glycolysis to continue producing ATP.
Identify the role of NAD+ and NADH: During glycolysis, NAD+ is reduced to NADH. For glycolysis to continue, NADH must be oxidized back to NAD+, which is a key function of fermentation.
Recognize the types of fermentation: Both lactic acid fermentation and alcohol fermentation serve the purpose of oxidizing NADH to NAD+, allowing glycolysis to proceed by regenerating NAD+.
Differentiate between the options: The correct function of both types of fermentation is the oxidation of NADH to NAD+, not the reduction of NAD+ to NADH, reduction of FAD to FADH2, or hydrolysis of ATP to ADP.
Conclude the primary function: The primary function of both lactic acid fermentation and alcohol fermentation is to ensure the continuous supply of NAD+ by oxidizing NADH, which is essential for ATP production through glycolysis.
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