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How do you represent anaerobic respiration in human muscle?

Anaerobic respiration in human muscle is represented by the process of glycolysis, where glucose is broken down into pyruvate without the presence of oxygen. When oxygen levels are low, such as during intense exercise, pyruvate is further converted into lactic acid, leading to the production of a small amount of ATP (energy). This process allows muscles to continue functioning temporarily despite insufficient oxygen, but it can result in muscle fatigue due to lactic acid accumulation.


Glycolysis produces pyruvate. The fate of this pyruvate depends mainly on the availability of which of the following?

Molecular oxygen


What happens to pyruvate produced when very little oxygen is available?

Pyruvate is the result of glycolysis, the degradation of a molecule of glucose. In aerobic conditions (with O2 present), pyruvate is oxidized to H2O and CO2 via the citric acid cycle and oxidative phosphorylation to produce energy (ATP). In anaerobic conditions (low levels of O2), pyruvate metabolism goes in two directions: in yeasts, an alcoholic fermentation takes place (with the production of two CO2 molecules + two molecules of ethanol); while in muscle, homolactic fermentation occurs (with the result of 2 molecules of lactate).


Does lactic acid fermentation breaks down glucose to release energy in anaerobic respiration?

Yes, during lactic acid fermentation, glucose is broken down into lactic acid to generate energy in the absence of oxygen. This process occurs in muscle cells during strenuous exercise when oxygen supply is limited.


How can oxygen deprivation of fetuses be determined?

Oxygen deprivation in fetuses can be determined by monitoring the fetal heart rate patterns using electronic fetal monitoring. This can be done during labor and delivery to assess the oxygen supply to the fetus. Other signs such as decreased fetal activity or low oxygen levels in the mother's blood may also indicate oxygen deprivation in the fetus.

Related Questions

What do muscle cells in oxygen deprivation gain from the conversion of pyruvate?

In oxygen deprivation, muscle cells convert pyruvate into lactate through anaerobic glycolysis. This conversion allows the cells to regenerate NAD+ from NADH, enabling glycolysis to continue and produce ATP without oxygen. This helps sustain energy production in the absence of sufficient oxygen supply.


Muscle cells when an individual is excerising heavily and when the muscle becomes oxygen deprived convert pyruvate to lactate What happens to the lactate in the skeletal muscle cells?

The lactate is taken to the liver and converted back to pyruvate.


What does latic acid fermenation convert into laticid acid?

Lactic acid fermentation converts pyruvate into lactic acid in the absence of oxygen. This process occurs in muscle cells during strenuous exercise when oxygen levels are low, leading to the buildup of lactic acid and temporary muscle fatigue.


2 organs most sensitive to oxygen deprivation?

The brain and the heart are the two organs most sensitive to oxygen deprivation. The brain relies heavily on a constant supply of oxygen to function properly, and even a short period of oxygen deprivation can lead to brain damage. Similarly, the heart requires a continuous oxygen supply to maintain its pumping function, and oxygen deprivation can lead to heart muscle damage or even a heart attack.


How do muscles get energy when there is low levels of oxygen?

They can get some energy out of glycolysis, or the splitting of glucose into pyruvate, and the pyruvate can be fermented into lactic acid, producing more energy. This lactic acid is why your muscles get sore after oxygen deprivation.


What occurs when the heart muscle is deprived of oxygen?

When the heart muscle is deprived of oxygen, it can lead to a condition called ischemia, which can result in chest pain (angina) or a heart attack (myocardial infarction). This oxygen deprivation can be caused by blockages in the coronary arteries, leading to reduced blood flow to the heart muscle.


The organs most sensitive to deprivation of oxygen are the heart and?

The organs most sensitive to deprivation of oxygen are the heart and the brain.


When oxygen is available pyruvate enters the what?

When oxygen is available, pyruvate enters the mitochondria to undergo aerobic respiration. In the mitochondria, pyruvate is converted into acetyl-CoA in the presence of oxygen, leading to the production of ATP through the Krebs cycle and oxidative phosphorylation.


Glycolysis produces pyruvate. The fate of this pyruvate depends mainly on the availability of which of the following?

Molecular oxygen


What is pyruvate converted into when oxygen is not present?

lactate


What is the only step in cell respiration that is not oxygen dependent?

Glycolysis is the only step in cell respiration that is not oxygen-dependent. It takes place in the cytoplasm and does not require oxygen to convert glucose into pyruvate, generating a small amount of ATP in the process.


The initial stages of oxygen deprivation may cause a sense of?

Euphoria, which may mask the ability to correctly identify the symptoms of oxygen deprivation.