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In the absence of oxygen during glycolysis, pyruvate is converted into lactate through a process called fermentation. This allows glycolysis to continue generating ATP in the absence of oxygen by regenerating NAD+ from NADH, which is needed for glycolysis to proceed.

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What molecule is regenerated for glycolysis during fermentation?

NAD+ is the molecule that is regenerated for glycolysis during fermentation. NAD+ is essential for glycolysis to continue in the absence of oxygen by accepting electrons from glucose breakdown.


What is the recycling of NAD plus under anaerobic conditions?

Under anaerobic conditions, NAD+ can be regenerated through fermentation processes that do not require oxygen. During fermentation, pyruvate produced from glycolysis is converted into various end products like lactate or ethanol, which helps regenerate NAD+ from NADH. This allows for continued glycolysis and ATP production in the absence of oxygen.


What happen to pyruvate when absent of oxygen?

In the absence of oxygen, pyruvate is converted into lactate through a process called fermentation. This allows for the regeneration of NAD+ so that glycolysis can continue to produce ATP in the absence of oxygen.


Describe the role of fermentation in maintaining ATP and NAD plus levels?

Fermentation allows glycolosis to take place. Glycolysis is a process during which, 2 ATP are used to produce 4 ATP, for a net profit of 2 ATP. When oxygen is not present, fermentation allows Glycolysis to continue by creating 2 ATP which are then used to restart the process of glycolysis. Even though the amount of ATP created is small, the process is still able to continue.


What does it mean to say that glycolysis is an aerobic process?

Cellular respiration sometimes is referred to as aerobic respiration, meaning that it occurs in the presence of oxygen, and is not an anaerobic process. Glycolysis is one of the processes in cellular respiration. In the final steps of glycolysis, two hydrogen atoms are removed from each three-carbon compound by bonding to free-floating oxygen atoms in the cytoplasm to form water.

Related Questions

What molecule is regenerated for glycolysis during fermentation?

NAD+ is the molecule that is regenerated for glycolysis during fermentation. NAD+ is essential for glycolysis to continue in the absence of oxygen by accepting electrons from glucose breakdown.


Glycolysis and oxidative respiration are different in that?

Glycolysis occurs in the absence of oxygen while oxidative respiration requires oxygen


1 The anaerobic pathway that follows glycolysis in the absence of oxygen is fermentation -- True or false?

True. Fermentation is the anaerobic pathway that follows glycolysis in the absence of oxygen, allowing for the regeneration of NAD+ to continue glycolysis.


How much molecular oxygen is required in the fermentation of one molecule of glucose?

In the fermentation of one molecule of glucose, no molecular oxygen is required. Fermentation is an anaerobic process that does not involve oxygen and is used by some organisms to generate energy from glucose in the absence of oxygen.


When no oxygen is present for muscle cells after glycolysis what will the cell produce?

In the absence of oxygen after glycolysis, muscle cells will produce lactic acid through the process of fermentation. This allows the cells to regenerate NAD+ needed for glycolysis to continue in the absence of oxygen.


What is the significance of the pyruvate to lactate during fermentation?

During fermentation, pyruvate is converted to lactate as a way to regenerate NAD+ from NADH, which is necessary to sustain glycolysis. This conversion allows glycolysis to continue in the absence of oxygen, providing cells with a way to generate ATP for energy production.


How much ATP is produced if there is no oxygen?

If there is no oxygen present, cells can still produce ATP through anaerobic metabolism, specifically through glycolysis. In glycolysis, one molecule of glucose produces a net of 2 ATP molecules. This is the only way for cells to produce ATP in the absence of oxygen.


What is the recycling of NAD plus under anaerobic conditions?

Under anaerobic conditions, NAD+ can be regenerated through fermentation processes that do not require oxygen. During fermentation, pyruvate produced from glycolysis is converted into various end products like lactate or ethanol, which helps regenerate NAD+ from NADH. This allows for continued glycolysis and ATP production in the absence of oxygen.


Why can glycolysis supply energy to cells when oxygen is not avalable?

Glycolysis can occur without oxygen. Although glycolysis does not require oxygen, it does require NAD+. Cells without oxygen available need to regenerate NAD+ from NADH so that in the absence of oxygen, at least some ATP can be made by glycolysis.


What happens to pyruvate molecules formed glycolysis in the absence of oxygen?

they will enter the Krebs cycle


What happens to pyruvate during alcohol fermentation?

During alcohol fermentation, pyruvate, produced from glycolysis, is converted into ethanol and carbon dioxide. This process occurs in anaerobic conditions, where the pyruvate is first decarboxylated to form acetaldehyde, which is then reduced to ethanol by the enzyme alcohol dehydrogenase. This conversion regenerates NAD+, allowing glycolysis to continue and produce ATP in the absence of oxygen.


What are the key differences between fermentation and glycolysis in terms of their metabolic processes and end products?

Fermentation and glycolysis are both metabolic processes that break down glucose to produce energy. The key difference is that glycolysis occurs in the absence of oxygen, while fermentation occurs in the presence of oxygen. In glycolysis, glucose is broken down into pyruvate, which can then be further metabolized in the presence of oxygen. In fermentation, pyruvate is converted into different end products, such as lactic acid or ethanol, to regenerate NAD for continued glycolysis in the absence of oxygen.