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Glycolysis, in the presence of oxygen, is the first stage of cellular respiration where glucose is broken down into pyruvate. This process occurs in the cytoplasm of the cell and produces a small amount of ATP and NADH. The pyruvate then enters the citric acid cycle to further extract energy from it.
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What is produced in the absence of oxygen during glycolysis?
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.
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 happens after glycolysis if oxygen is available?
If oxygen is available, the pyruvate produced during glycolysis enters the mitochondria and undergoes aerobic respiration. In the presence of oxygen, pyruvate is converted to acetyl CoA, which enters the citric acid cycle to generate more ATP through oxidative phosphorylation. This process enables the efficient extraction of energy from glucose molecules.
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.
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.
Oxidative respiration follows glycolysis when is available?
http://wiki.answers.com/Q/Oxidative_respiration_follows_glycolysis_when_is_available."
Is oxygen necessary for glycolysis?
No - glycolysis is anaerobic (it does occur in the presence 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.
If a cell has no oxygen what stages of aerobic cellular respiration can still run?
If there is no oxygen available, only glycolysis can still run in anaerobic conditions. The Krebs cycle and electron transport chain, both of which require oxygen, cannot proceed. Glycolysis produces ATP by breaking down glucose into pyruvate without the need for oxygen.
What conditions would cause your body to carry on glycolysis?
Your body would carry on glycolysis when there is a need for quick energy production, such as during intense exercise or when oxygen is limited (anaerobic conditions). Glycolysis is the process of breaking down glucose into pyruvate to produce ATP energy.
Glycolysis and oxidative respiration are different in that?
Glycolysis occurs in the absence of oxygen while oxidative respiration requires oxygen
In presence of oxygen glycolysis is followed by?
When oxygen is present, the Krebs Cycle and then the Electron transport chain follow glycolysis. When oxygen is not present, a different pathway follows glycolysis. The combination of glycolysis and the different pathway is called fermentation.
What is produced in the absence of oxygen during glycolysis?
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.
Anaerobic glycolsis occurs without?
Anaerobic glycolysis occurs without the presence of oxygen. In this process, glucose is broken down into pyruvate, generating some ATP. Since oxygen is not available to accept the electrons and hydrogen ions produced during glycolysis, pyruvate is converted into either lactate or ethanol to regenerate NAD+ for continued ATP production.
Is glycolysis a aerobic process?
No. Glycolysis is anaerobic and do not require oxygen.
Does the Glycolysis require the presence of oxygen?
no
