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Where does pyruvate processing occur?
Pyruvate processing occurs in the matrix of the mitochondria
What happens when Pyruvate reacts with dinitrophenylhydrazine in SGOT?
it forms a highly coloured hydrazone
Formation of ethanol from pyruvate is an example of?
c,fermentation process that takes plce in the absence of oxygen
What are the raw materials used in cellular respirition?
Oxygen plus 3 carbon organic molecules (pyruvate). Essentially hydrogen and oxygen with the carbon as just a waste product.
What is the breakdown of pyruvic acid in the presence of oxygen called?
The breakdown of pyruvic acid in the presence of oxygen is called aerobic respiration. At the beginning of aerobic respiration, acidic acid bonds to a molecule called coenzyme A to form Acetyl CoA.
What happens to pyruvate molecules formed glycolysis in the absence of oxygen?
they will enter the Krebs cycle
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.
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
When oxygen is plentiful pyruvate from glucose is converted to?
acetyl CoA
How many C atoms are in a molecule of pyruvate?
There are three carbon atoms and three oxygen atoms in each pyruvate molecule.
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 happens immediately after pyruvate is into the mitochondrion?
Acetyl CoA forms.
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).
What happens during glycolsis in cellular respiration?
glucose is changed into pyruvate
What happens during glucolysis in cellular respiration?
glucose is changed into pyruvate
What happens after pyruvate is brought into the mitochondrion?
It is carried by specific transporters (the negative charge on pyruvate won't allow it to diffuse) before being acted on by pyruvate dehydrogenase. I don't think these transports are named.
