Table of Contents
What produces NADH ATP and two pyruvate molecules?
Glycolysis produces 2 ATP, 2 NADH, and 2 pyruvate molecules: Glycolysis, or the aerobic catabolic breakdown of glucose, produces energy in the form of ATP, NADH, and pyruvate, which itself enters the citric acid cycle to produce more energy. Thus, pyruvate kinase is a rate-limiting enzyme for glycolysis.
What is the product made by the electron transport chain?
The end products of the electron transport chain are water and ATP. A number of intermediate compounds of the citric acid cycle can be diverted into the anabolism of other biochemical molecules, such as nonessential amino acids, sugars, and lipids.
Which step in cellular respiration happens first?
Glycolysis is the first pathway in cellular respiration. This pathway is anaerobic and takes place in the cytoplasm of the cell. This pathway breaks down 1 glucose molecule and produces 2 pyruvate molecules. There are two halves of glycolysis, with five steps in each half.
Where is most of the energy from the original glucose stored?
In your body, glucose is the form of energy that is carried in your blood and taken up by each of your trillions of cells. Cells do cellular respiration to extract energy from the bonds of glucose and other food molecules. Cells can store the extracted energy in the form of ATP (adenosine triphosphate).
How many NADH are produced by glycolysis how many NADH are produced by glycolysis?
2 molecules
2 molecules of NADH are produced by glycolysis during cellular respiration. Glucose breaks down into 2 molecules of pyruvate at the end of glycolysis. There is a net yield of 2 ATPs also.
How many ATP molecules are produced by the electron transport chain?
34 ATP molecules
Electron transport chain This stage produces most of the energy ( 34 ATP molecules, compared to only 2 ATP for glycolysis and 2 ATP for Krebs cycle). The electron transport chain takes place in the mitochondria. This stage converts the NADH into ATP.
What stage of cellular respiration produces pyruvate as a product?
glycolysis
Pyruvate is produced by partial oxidation of glucose in the glycolysis process. Two molecules of pyruvate are produced at the end of glycolysis.
What is the product of pyruvate processing?
The end products of pyruvate processing is Acetyl Coenzyme A and NADH. Pyruvate is oxidatively decarboxylated to leave an acetyl group.
How many ATP and NADH molecules are produced from each molecule of glucose in the citric acid cycle only?
Krebs cycle (or Citric acid cycle) This breaks down the pyruvic acid to carbon dioxide. This produces 2 ATP and 6 NADH , for every glucose molecule entering glycolysis.
Which molecule produces the most ATP?
Explanation: The electron transport chain generates the most ATP out of all three major phases of cellular respiration. Glycolysis produces a net of 2 ATP per molecule of glucose.
How many ATP molecules are used to start glycolysis?
In total _ ATP are produced. Recall that 2 ATP were used to start the reactions. The net yield is _ ATP. Note that these reactions do __ require oxygen. Glycolysis can therefore occur in ____ conditions. 2 ATP molecules, 2 electron-carrying NADH molecules, and 2 pyruvates.
How does glycolysis extract potential energy from glucose?
The enzymes of glycolysis extract some of the potential energy stored in glucose. The process yields two ATP molecules and two electron- carrying NADH molecules. glycolysis requires an input of two ATP to ____ glucose. the activated glucose is then split into two _____ molecules.
How many ATP does the mitochondrion need to produce?
Glycolysis and Krebs cycle each produce _ ATP, and the electron transport chain produces __ ATP. Transporting NADH into the mitochondrion requires _ ATP, making the total production of ATP equal to 36.