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The answer would be B) oxygen. In the electron transport chain, oxygen is a reactant. It reacts with 4 electrons and 4 hydrogens to form 2 water molecules. NAD plus is a product of NADH losing an electron. FAD is a product of FADH2 losing an electron. And water is a product of the preceding reaction that I gave.

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How many water molecules are formed in the electron transport chain?

During oxidative phosphorylation, which is part of the electron transport chain, a total of 6 water molecules are formed when oxygen is reduced to form water at the end of the chain.


What stage of cell respiration uses oxygen?

The oxygen molecules that you breathe are actually used in the last part of aerobic respiration. They are the final electron acceptors in electron transport chain.


How can you justify the disappearance of oxygen as a measure of electron transport?

In the electron transport chain Oxygen is the final electron acceptor. Also the Oxygen accepts 2 Hydrogen ions, making water in the process. The dissapearance of Oxygen shows that the electron transport chain is working and that Oxygen is doing its job.


Can the kreb's cylce occur if there is no oxygen?

No, the Krebs cycle requires oxygen as the final electron acceptor in the electron transport chain to function properly. Without oxygen, the electron transport chain cannot proceed, leading to a buildup of molecules that inhibit the Krebs cycle. This can result in the Krebs cycle slowing down or ceasing altogether.


IS hydrogen necessary in the electron transport chain comes from the splitting of carbon dioxide molecules?

Hydrogen is essential in the electron transport chain, but it does not come from the splitting of carbon dioxide molecules. Instead, hydrogen is derived from the splitting of water molecules during the light reactions of photosynthesis. This hydrogen is then used to generate a proton gradient that drives ATP synthesis in the electron transport chain.

Related Questions

Is water an end product of fermentation the Krebs cycle or the electron transport chain?

Water is a byproduct of the electron transport chain during cellular respiration. It is formed when oxygen combines with electrons and hydrogen ions to produce water molecules.


What are the product from the electron transport chain pathway?

Electron transport chains are present in mitochondria. The products of the electron transport chains are energy in the form of thermodynamics and water which is reduced from oxygen.


What molecule is not a product of the electron transport system?

Adenosine Triphosphate (ATP) is not a product of the electron transport system. Instead, ATP is produced through the process of oxidative phosphorylation, which utilizes the proton gradient generated by the electron transport system to convert adenosine diphosphate (ADP) into ATP.


What is the final product of the ETS?

The final products of the Electron Transport System (ETS) are ATP molecules, which are the cell's main energy currency, and water molecules. Oxygen acts as the final electron acceptor to form water.


What is the final hydrogen acceptor in electron transport and where did it come from?

The final hydrogen acceptor in the electron transport chain is Oxygen. It comes from the ionization of water. Hope this helps. The final hydrogen acceptor in the electron transport chain is Oxygen. It comes from the ionization of water. Hope this helps.


What molecules supply electrons to an electron transport chain?

Glucose. Glucose is oxidized and oxygen is reduced here.


How many water molecules are formed in the electron transport chain?

During oxidative phosphorylation, which is part of the electron transport chain, a total of 6 water molecules are formed when oxygen is reduced to form water at the end of the chain.


What is a waste product of the electron transport chain?

Protons fall down their concentration gradient through the ATP-synthase and are picked up by oxygen, along with electrons, to make water. So, ATP and water " comes out " the electron transport chain.


What stage of cell respiration uses oxygen?

The oxygen molecules that you breathe are actually used in the last part of aerobic respiration. They are the final electron acceptors in electron transport chain.


What is the electron acceptor for humans in the electron transport chain?

The electron acceptor for humans in the electron transport chain is oxygen.


How can you justify the disappearance of oxygen as a measure of electron transport?

In the electron transport chain Oxygen is the final electron acceptor. Also the Oxygen accepts 2 Hydrogen ions, making water in the process. The dissapearance of Oxygen shows that the electron transport chain is working and that Oxygen is doing its job.


What does the electron transport train produce?

The electron transport chain produces ATP (adenosine triphosphate), the cell's main energy source, by transferring electrons from NADH and FADH2 to oxygen. This process generates a proton gradient across the inner mitochondrial membrane, which drives ATP synthesis through oxidative phosphorylation.