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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.

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sources: http://faculty.clintoncc.suny.edu/faculty/michael.gregory/files/bio%20101/bio%20101%20lectures/Cellular%20Respiration/cellular.htm

This occurs via the process known as anaerobic respiration. The molecule lactic acid is used as the (temporary) electron acceptor instead of O2.

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Q: Why can glycolysis supply energy to cells when oxygen is not available?
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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.


Does Glycolysis supply energy or store energy?

Glycolysis is the first step in releasing energy from glucose and therefore is supplying energy to the cell.


What are the advantages of using glycolysis for energy supply?

sex


Used when the oxygen supply is inadequate over time?

Anaerobic glycolysis


Do plants supply us with both carbon and oxygen for your bodies with energy?

No they only supply us with oxygen,CO2


How do tissues get the oxygen they need for energy production?

The tissues get oxygen from oxygenated blood supply for energy production.


What is the main nutrient used for energy when the body is at rest?

sugar that is available in your blood stream gets used up first, then glycogen thru glycolysis breaks down, to supply the energy. After all sugar has been used, fat will be the next to be burnt by your body


Why does the animal cell without oxygen fail to absorb sodium?

This is because the absorption of sodium is an energy-dependent process. Without an adequate oxygen supply, the cell will not have sufficient ATP available to absorb the sodium.


What happens to the electron transport chain if oxygen is lacking?

The organism dies as no energy for even the simplest things, such as respiration and brain command, is available. Only in muscle cells can the organism switch to glycolysis for ATP production. The brain cells can not preform glycolysis.


Glycolysis depends on a continuous supply of?

Glucose and NAD+


Glycolysis depends on a continuous supply of what?

glucose and NAD+


Why do animals need a continuous supply of oxygen?

Animals need a continuous supply of oxygen because it obtains energy from their food. To acquire such energy from food, cells in animals require a steady supply of ATP in order to function. To produce this ATP, cellular respiration requires oxygen. Without ATP, cells and the organism will die so therefore, animals need a continuous supply of oxygen to survive.