True or False: In the absence of oxygen fermentation produces 2 ATP.

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BlackTom AI · Accepted Answer

When evaluating true/false statements about cellular respiration in the absence of oxygen, the first step is to recall what happens anaerobically. 
Option True: The statement claims fermentation produces 2 ATP in the absence of oxygen. In reality, the glycolysis step that occurs without oxygen yields 2 net ATP per glucose. Fermentation itself does not add more ATP; its main role is to regenerate NAD+ so glycolysis can continue. Thus the total ATP yield from glycolysis (2 ATP per glucose) is maintained during fermentation, making this statement correct.
Option False: This would be correct only if fermentation somehow produced ATP beyond the 2 ATP from glycolysis, or if no ATP were produced at all in the absence of oxygen. However, fermentation does not generate additional ATP beyond glycolysis, and glycolysis still provides a net 2 ATP per glucose. Therefore claiming zero ATP or additional ATP from fermentation under anaerobic conditions is inaccurate.

True or False: In the absence of oxygen fermentation produces 2 ATP.

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True or False: In the absence of oxygen fermentation produces 2 ATP.

View Explanation

Log in for full answers

Similar Questions

What are some of the benefits of fermenting food (pick all that apply)?

Fermentation does not require _____ to occur, but it does require _____ and _____.

How does yogurt typically contain live and active cultures?

Fermentation is an [选择] aerobic anaerobic process that forms [选择] nitrogen ethanol glucose and [选择] energy tannins malic acid by Saccharomyces cerevisiae yeast.

What is the result of fermenting sugars by yeast cells during bread making?

Fermentation is an [选择] aerobic anaerobic process that forms [选择] glucose nitrogen ethanol and energy by Saccharomyces cerevisiae yeast.

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Fermentation does not require ___ to occur, but it does require _ and ___.