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What are the end products of 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.

People also ask, what goes in and out of the electron transport chain?

Electron carriers are reduced during glycolysis and the citric acid cycle to NADH + H+ and FADH2. These carriers then donate electrons and protons to the electron carrier proteins of the electron transport chain. The final electron acceptor is oxygen. Together with oxygen, electrons and protons form molecules of water.

One may also ask, what is the final electron acceptor in the electron transport chain? molecular oxygen

Also know, what happens along an electron transport chain?

High-energy electrons are transported from one carrier to the next. Every 2 high-energy electrons pass down the Electron Transport Chain, their energy is used to transport Hydrogen Ions across the membrane.

What is the purpose of the electron transport chain?

The main purpose of the electron transport chain is to build up a surplus of hydrogen ions (protons) in the intermembrane space so that there will be a concentration gradient compared to the matrix of the mitochondria.

Similar Question and The Answer

How many ATP are produced in the electron transport chain?

34 ATP

Is NADH 2.5 or 3 ATP?

To pass the electrons from NADH to last Oxygen acceptor,total of 10 protons are transported from matrix to inter mitochondrial membrane. 4 protons via complex 1,4 via complex 3 and 2 via complex 4. Thus for NADH— 10/4=2.5 ATP is produced actually. Similarly for 1 FADH2, 6 protons are moved so 6/4= 1.5 ATP is produced.

How does the electron transport system work?

The electron transport chain is a series of electron transporters embedded in the inner mitochondrial membrane that shuttles electrons from NADH and FADH2 to molecular oxygen. In the process, protons are pumped from the mitochondrial matrix to the intermembrane space, and oxygen is reduced to form water.

What is the electron transport chain also known as?

The respiratory chain, otherwise known as the electron transport chain, resides in the mitochondria. A single molecule of NADH has sufficient energy to generate three ATP molecules from ADP.

What is produced in the electron transport chain?

The electron transport chain (aka ETC) is a process in which the NADH and [FADH2] produced during glycolysis, β-oxidation, and other catabolic processes are oxidized thus releasing energy in the form of ATP. The mechanism by which ATP is formed in the ETC is called chemiosmotic phosphorolation.

How many ATP are produced in the electron transport chain quizlet?

Making a net of 2 ATP molecules. One cycle off the Krebs Cycle makes 1 ATP molecule through substrate-level phosphorylation. For every glucose consumed, 34 ATPs are produced in electron transport and oxidative phosphorylation. In total, 38 molecules of ATP are produced.

How many ATP are made in glycolysis?

2 ATP

How ATP is produced in the electron transport chain?

The process of forming ATP from the electron transport chain is known as oxidative phosphorylation. Electrons carried by NADH + H+ and FADH2 are transferred to oxygen via a series of electron carriers, and ATPs are formed. Three ATPs are formed from each NADH + H+, and two ATPs are formed for each FADH2 in eukaryotes.

Where does the electron transport chain occur?

Steps of the Electron Transport Chain It is also known as oxidative phosphorylation. The electron transport chain occurs across the inner mitochondrial membrane of the mitochondria and its main function is to build an electrochemical gradient on either side of the inner membrane using protons.

How does the electron transport chain make ATP?

ATP synthase moves H+ ions that were pumped out of the matrix by the electron transport chain back into the matrix. The energy from the influx of protons into the matrix is used to generate ATP by the phosphorylation (addition of a phosphate) of ADP. This accounts for about two ATP molecules.

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

one water molecule

At what point is oxygen used in the electron transport chain?

In chemiosmosis, the energy stored in the gradient is used to make ATP. So, where does oxygen fit into this picture? Oxygen sits at the end of the electron transport chain, where it accepts electrons and picks up protons to form water.

What are the products of glycolysis?

Glycolysis involves the breaking down of a sugar (generally glucose, although fructose and other sugars may be used) into more manageable compounds in order to produce energy. The net end products of glycolysis are two Pyruvate, two NADH, and two ATP (A special note on the "two" ATP later).

What is the purpose of fermentation?

The purpose of fermentation is to clear the pyruvate and to oxidize NADH to NAD+, which is used again in glycolysis with another glucose molecule. Without fermentation in anaerobic respiration, glyolysis will eventually stop when all of the NAD+ is reduced to NADH.

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