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When oxygen is plentiful pyruvate from glucose is converted to?
acetyl CoA
What happens to pyruvic acid after there is no oxygen?
If oxygen is present it is converted to Acetyl-CoA and enters citric acid cycle If oxygen is not present is will become lactic acid and /or ethanol
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 are the stages of Cellular respiration.?
The Stages of Cellular Respiration 1. Glucose is converted to pyruvate producing a small amount of ATP and NADH. 2. When oxygen is present, pyruvate and NADH are used to make a large amount of ATP. When oxygen isn't present, pyruvate is converted to either lactate or ethanol and carbon dioxide. In Stage One, the breakdown of glucose happens, with glycolysis. In Stage Two, ATP is produced. Stage one is called the Calvin cycle, and stage two is called the Krebs cycle. For more information, go to http://Biology.about.com/od/cellularprocesses/a/cellrespiration.htm
What molecule is pyruvate initially converted in the anabolism of glucose?
Pyruvate is initially converted to oxaloacetate in the anabolism of glucose. That molecule in turn is converted to phosphoenolpyruvate.
What is is the order of the steps for cellular respiration?
1. Glucose is metabolised to form pyruvate (glycolysis) Anaerobic (without oxygen): - Pyruvate is converted to lactate or ethanol Aerobic (in the presence of oxygen): - Pyruvate is converted to acetyl CoA - Citric Acid Cycle - Electron transport chain
Can glycolysis occur if oxygen is present?
Normally glucose is converted to two pyruvate molecules which are then oxidized in the Krebs cycle. Since oxygen is required for this step the pyruvate accumulates and is converted to lactate. In the body lactate is can be converted to glucose in the liver and in some other tissues.What happens is that pyruvate can accept these Hs. By accepting these Hs, pyruvate becomes Lactic Acid and the co-enzymes are freed to return to glycolysis to pick up more hydrogen's, glucose continues to provide energy anaerobically
Where is pyruvate metabolized?
pyruvate is converted into acetyl coA in the mitochondrial matrix
During glycolosys glucose molecules is broken into?
In glycolysis, one 6-carbon glucose molecule is converted into two 3-carbon pyruvate molecules. If no oxygen is present then each of those two pyruvate molecules will be converted into 3-carbon lactate (lactic acid).
What is the name of the process by which glycogen is converted to pyruvatei?
name of the process by which glycogen is converted to pyruvate
What is pyruvate converted to in the mitochondria of a cell?
pyruvate is con verted into ethanol and carbon dioxide
What are the different ways in which glucose is oxidised to provide energy?
The first step is breaking down of glucose as a six carbon molecule into a three carbon molecule is called pyruvate may be converted into ethanol and carbon dioxide .this process take place in yeast during fermentation
