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In the presence of oxygen glycolysis is followed by?
Krebs cycle.
Is oxygen necessary for glycolysis?
No - glycolysis is anaerobic (it does occur in the presence of oxygen).
In the presence of oxygen why isn't lactic acid fermentation followed by glycolysis?
In the presence of oxygen, lactic acid fermentation is not followed by glycolysis because cells can switch to aerobic respiration, which is more efficient in generating ATP. This process involves the conversion of pyruvate from glycolysis into acetyl CoA and entry into the citric acid cycle for further ATP production.
Does the Glycolysis require the presence of oxygen?
no
Which step in the process of glycolysis requires the presence of oxygen?
None of the steps in glycolysis require the presence of oxygen. Glycolysis is the process of breaking down glucose to produce energy, and it occurs in the cytoplasm of cells, independent of oxygen availability.
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.
What effect does the presence of oxygen have on the events that fallow glycolysis?
it helps the electron transport chain
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.
What process follows glycolysis if oxygen is present?
the Krebs cycle, which is followed by the electron transport chain
Does glycolysis stop when oxygen becomes unavailable to the cell?
Actually that's when the glycolysis occurs at a greater rate. Glycolysis is anaerobic, meaning it doesn't require oxygen. Without the presence of oxygen, glycolysis is undertaken to produce small amounts of ATP. It can also make lactic acid which can build up and become toxic to the body.
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.
What stage of cellular respiration follows glycolysis in the presence of oxygen?
If there is no oxygen present, then the cell does either alcohol or lactic acid fermentation. If oxygen is present, the citric acid cycle follows glycolysis, with oxidative phosphorylation following the citric acid cycle.
