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The two molecules of pyruvic acid (pyruvate) produced from glycolysis (glucose, glucose-6-phosphate, fructose-6-phosphate, fructose 1,6 biphosphate.... pyruvate) turn into acetyl coenzyme A (acetyl CoA). Acetyl CoA enters the Krebs cycle, reacting with oxaloacetate to form citrate [which is why the Krebs cycle is known as the citric acid cycle].

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15y ago
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14y ago

Two pyruvate molecules (from one glucose) first go through the Kreb's Cycle, which does not involve an oxidizer (oxygen usually). Oxygen is only used as the final electron acceptor in the Electron Transport Chain (ETC).

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11y ago

The Krebs cycle uses the two molecules of pyruvic acid formed in glycolysis and yields high-energy molecules of NADH and flavin adenine dinucleotide (FADH), as well as some ATP.

Before entering the cycle, pyruvic acid molecule undergoes conversion to a substance called acetyl-coenzyme A, or acetyl-CoA. During the process, the pyruvic acid molecule is broken down by an enzyme, one carbon atom is released in the form of carbon dioxide, and the remaining two carbon atoms are combined with a coenzyme called coenzyme A. This combination forms acetyl-CoA. In the process, electrons and a hydrogen ion are transferred to NAD to form high-energy NADH. Acetyl-CoA now enters the Krebs cycle.

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15y ago

It is passed to the second stage of cellular respiration, the Krebs cycle.

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12y ago

if oxygen is available the products of glycolysis are used to produce many more ATP molecules through cellular respiration

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Yousef Al-Saadi

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3y ago
what is the answear

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11y ago

I am sorry for the messages a sent u it was not me it wa it was a ghost i dont know what happened i went to the bathroom and came back and it was like this

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16y ago

enzyme CoA & NAD+ gets turned into CO2 + NADH, H + and pyruvate turns into acetyl CoA

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8y ago

It is broken into two 3-carbon molecules.
It becomes two 3-carbon molecules

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14y ago

It goes to the _______! Hopes that helps you!

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Q: After ATP is used what happens to the pyruvate molecule in glycolysis?
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In glycolysis for each molecule of glucose oxidized to pyruvate?

2 molecules of ATP are used and 4 molecules of ATP are produced.


Why does glucose have more energy than pyruvate?

During glycolysis a glucose molecule will break down into two pyruvate molecules.Glucose is C6H12O6 while pyruvate is C3H4O3.


How many ATP molecule produced in Glycolysis?

There are two net molecules of ATP produced by substrate-level phosphorylation during glycolysis. (when one molecule of glucose is respired). Two are used to convert the glucose molecule to fructose, but four are released when pyruvate is made. However, the other products of glycolysis enable the Link Reaction, Krebs cycle and Oxidation Phosphorylation to happen, and these release a lot of ATP.


How many ATP molecule are produced in glycolysis?

There are two net molecules of ATP produced by substrate-level phosphorylation during glycolysis. (when one molecule of glucose is respired). Two are used to convert the glucose molecule to fructose, but four are released when pyruvate is made. However, the other products of glycolysis enable the Link Reaction, Krebs cycle and Oxidation Phosphorylation to happen, and these release a lot of ATP.


Is there a pyruvate produced in glycolsis?

Nothing, pyruvic acid is the primary substrate used in gluconeogenesis or reverse glycolysis.


Pyruvate is the end product of?

It is changed into Acetyl CoA, which is then used in the citric acid cycle (aka Krebs Cycle).


Glycolysis is a group of respiratory reactions that occur in?

Glycolysis occurs in the cytoplasm (cytosol)Glycolysis splits 1 glucose (6C) into 2 pyruvate (3C), producing 2 NADH (to be used in Krebs Cycle) and a net of 2 ATP.


What is used in glycolysis?

this is shamefully vague question. In glycolysis, glucose and (hexokinase, phosphogluco-mutase, aldolase, triose-phosphate isomerase, glyceraldehyde-phosphate dehydrogenase, phosphoglycerate-kinase, phosphoglycerate mutase, enolase and pyruvate kinase) enzymes are used.


How do glycolysis pyruvate processing. the Krebs cycle and the electron transport chain work together to provide energy for the cell?

When the cell gains gluclose, the process of glycolysis occurs and the gluclose is broken down down into pyruvate. In pyruvate processing, Acetyl CoA is produced nad then used in the Krebs Cycle. There, NADH and FADH2 are made and go to the electron transport chain, where water and ATP are made. *


How many ATP molecules does each NADH molecule yield?

In glycolysis of cellular respiration, NADH produces 2ATP because one ATP is used to transport a molecule of NADH into the mitochondria and continue with aerobic respiration. However, in pyruvate decarboxylation and the Krebs cycle, each NADH yields 3ATPs. FADH2 yields 2 ATPs.


How did the glucose molecule get broken down and transported to a cell?

2 ATP molecules are used to break the glucose molecule into two pyruvate molecules in the cytoplasm. Then the pyruvate travels to the mitochondria, where it is broken down further and produces 34 ATP molecules, which are used to power a cell.


What molecule does fermentation provide to glycolysis?

Pyruvic acid is made during glycolysis and is later used in fermentation.