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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.
When oxygen is absent?
When oxygen is absent, some organisms can carry out fermentation to produce energy. However, in the absence of oxygen, aerobic respiration, which is more efficient at producing energy, cannot occur.
What is glycolysis when oxygen is available?
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.
Where does pyruvate processing occur?
Pyruvate processing occurs in the mitochondria of eukaryotic cells. It is an important step in cellular respiration where pyruvate is converted to acetyl-CoA before entering the citric acid cycle to generate ATP.
Can Glycolysis operate without oxygen?
Yes, glycolysis can occur in the absence of oxygen. This process converts glucose into pyruvate, producing a small amount of ATP. In the absence of oxygen, pyruvate can then be further metabolized through fermentation pathways to generate additional ATP.
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
Which process in eukaryotic cells will proceed normally whether oxygen is present or absent?
Glycolysis is a metabolic process in eukaryotic cells that can proceed normally in the absence of oxygen. It converts glucose into pyruvate, producing ATP as an energy source for the cell.
How many C atoms are in a molecule of pyruvate?
There are three carbon atoms and three oxygen atoms in each pyruvate molecule.
When oxygen is plentiful pyruvate from glucose is converted to?
acetyl CoA
What happens if oxygen is absent during the second stage the respiration?
If oxygen is not available during the second stage: the glucose (now pyruvate molecule, after glycolysis) the pyruvate can not enter the mitochondrial membrane so it takes an alternative method of producing ATP Other organisms can continue 'cellular respiration' with out the need of O2 (anaerobic method) such as: •Yeast i) Alcohol fermentation •Human Muscle cells i) Produces lactic acid, which makes your muscles sore
What condition must exist in cell for fermentation to occur?
Oxygen must be absent in the cell.
When oxygen is absent?
When oxygen is absent, some organisms can carry out fermentation to produce energy. However, in the absence of oxygen, aerobic respiration, which is more efficient at producing energy, cannot occur.
What will happen to pyruvate if there is no oxide present?
their other organisms will die if no oxide
What processes do not take place if oxygen is absent?
Burning
How many bonds are in 2 pyruvate molecule?
Each pyruvate molecule has a total of 3 carbon atoms, 4 hydrogen atoms, and 2 oxygen atoms, resulting in a total of 6 carbon-hydrogen (C-H) bonds, 2 carbon-oxygen (C-O) bonds, and 1 oxygen-hydrogen (O-H) bond. Therefore, a single pyruvate molecule contains 9 bonds. Consequently, 2 pyruvate molecules would have a total of 18 bonds.
